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import gradio as gr
import numpy as np
import matplotlib.pyplot as plt
from matplotlib import cm
import plotly.graph_objects as go
import trimesh
from shapely.geometry import box, Point
from shapely.affinity import scale
from scipy.spatial import ConvexHull
import re
import io
import os
import tempfile
import base64
from PIL import Image, ImageDraw, ImageFont
import warnings
warnings.filterwarnings('ignore')
# Enhanced imports for parametric CAD
try:
import cadquery as cq
CADQUERY_AVAILABLE = True
print("✅ CadQuery available - Parametric CAD enabled")
except ImportError:
CADQUERY_AVAILABLE = False
print("⚠️ CadQuery not available - Using Trimesh fallbacks")
# Check boolean backend
def get_bool_backend_name():
try:
backend = trimesh.interfaces.boolean.get_bool_engine()
return backend
except Exception:
return None
BOOL_BACKEND = get_bool_backend_name()
if BOOL_BACKEND is None:
print("⚠️ No boolean backend detected. Install 'manifold3d' for robust operations")
else:
print(f"✅ Boolean backend detected: {BOOL_BACKEND}")
# =====================================================
# ENHANCED CAD UTILITIES
# =====================================================
def cq_to_trimesh(cq_obj):
"""Export CadQuery object to temporary STL then load as trimesh.Trimesh"""
if not CADQUERY_AVAILABLE:
raise RuntimeError("CadQuery not available")
with tempfile.NamedTemporaryFile(suffix=".stl", delete=False) as tmp:
tmp_path = tmp.name
try:
cq.exporters.export(cq_obj, tmp_path, exportType="STL")
mesh = trimesh.load(tmp_path)
if hasattr(mesh, "is_watertight") and not mesh.is_watertight:
try:
mesh = mesh.fill_holes()
except Exception:
pass
return mesh
finally:
try:
os.remove(tmp_path)
except Exception:
pass
def safe_union(a, b):
"""Enhanced union with multiple fallback strategies"""
if hasattr(a, "union"):
try:
return a.union(b)
except Exception:
pass
try:
return trimesh.boolean.union([a, b], engine=BOOL_BACKEND)
except Exception:
try:
combined = trimesh.util.concatenate([a, b])
return combined
except Exception:
return a
def safe_difference(a, b):
"""Enhanced difference with multiple fallback strategies"""
if hasattr(a, "difference"):
try:
return a.difference(b)
except Exception:
pass
try:
return trimesh.boolean.difference([a, b], engine=BOOL_BACKEND)
except Exception:
return a
def export_mesh(mesh, filename):
"""Export mesh to various formats"""
ext = os.path.splitext(filename)[1].lower()
if ext in ['.stl', '.obj', '.ply', '.glb']:
try:
mesh.export(filename)
return filename
except Exception as e:
raise RuntimeError(f"Export failed: {str(e)}")
else:
raise RuntimeError("Unsupported export format. Use .stl, .obj, .ply, .glb")
# =====================================================
# ENHANCED PROMPT PARSING
# =====================================================
DIM_FIELDS = [
'length', 'width', 'height', 'radius', 'diameter', 'thickness',
'outer_radius', 'inner_radius', 'depth', 'size', 'panel_count',
'frame_width', 'spacing', 'num_shelves', 'rail_width', 'leg_size',
'panel_thickness', 'hole_radius', 'wall_thickness'
]
def extract_key_values(prompt):
"""Extract key=value pairs (numeric) into dict"""
kv = {}
for m in re.finditer(r'([a-zA-Z_]+)\s*[:=]\s*([0-9]+\.?[0-9]*)', prompt):
k = m.group(1).lower()
v = float(m.group(2))
kv[k] = v
return kv
def extract_x_pattern(prompt):
"""Extract patterns like 10x20x30 (assumes order length x width x height)"""
m = re.search(r'(\d+\.?\d*)\s*[x×]\s*(\d+\.?\d*)\s*[x×]\s*(\d+\.?\d*)', prompt)
if m:
return float(m.group(1)), float(m.group(2)), float(m.group(3))
return None
def filter_numeric(dims):
"""Return filtered dict containing only numeric values expected by builders"""
out = {}
for k, v in dims.items():
if v is None:
continue
if k in ('panel_count', 'mullions_v', 'mullions_h', 'num_shelves'):
out[k] = int(v)
else:
out[k] = float(v)
return out
# =====================================================
# TEXT TO CAD PARSER AND GENERATOR
# =====================================================
class TextToCADGenerator:
"""Enhanced Text-to-CAD generator with all shapes"""
def __init__(self):
self.shapes_library = {
# Basic shapes
'cube': self._create_cube,
'box': self._create_cube,
'sphere': self._create_sphere,
'ball': self._create_sphere,
'cylinder': self._create_cylinder,
'tube': self._create_cylinder,
'cone': self._create_cone,
'pyramid': self._create_pyramid,
'torus': self._create_torus,
'ring': self._create_torus,
# Mechanical parts
'gear': self._create_gear,
'bracket': self._create_bracket,
'plate': self._create_plate,
'rod': self._create_rod,
'washer': self._create_washer,
'screw': self._create_screw,
'bolt': self._create_screw,
'nut': self._create_nut,
'bearing': self._create_bearing,
'flange': self._create_flange,
'pipe': self._create_pipe,
# Architectural frames
'doorframe': self._create_door_frame,
'door_frame': self._create_door_frame,
'windowframe': self._create_window_frame,
'window_frame': self._create_window_frame,
'gypsumframe': self._create_gypsum_frame,
'gypsum_frame': self._create_gypsum_frame,
'drywall_frame': self._create_gypsum_frame,
# Furniture frames
'bedframe': self._create_bed_frame,
'bed_frame': self._create_bed_frame,
'tableframe': self._create_table_frame,
'table_frame': self._create_table_frame,
'chairframe': self._create_chair_frame,
'chair_frame': self._create_chair_frame,
'shelfframe': self._create_shelf_frame,
'shelf_frame': self._create_shelf_frame,
'cabinetframe': self._create_cabinet_frame,
'cabinet_frame': self._create_cabinet_frame,
# Enhanced parametric builders
'water_tank': self._create_water_tank,
'watertank': self._create_water_tank,
'tank': self._create_water_tank,
'parametric_washer': self._create_parametric_washer,
'parametric_nut': self._create_parametric_nut,
'parametric_bracket': self._create_parametric_bracket,
'parametric_door': self._create_parametric_door,
'parametric_window': self._create_parametric_window
}
def parse_prompt(self, prompt: str):
"""Enhanced prompt parsing with key=value and pattern recognition"""
p = prompt.lower().strip()
# Start with enhanced dimension extraction
dimensions = self._extract_dimensions(p)
# Add key=value parsing
kv_pairs = extract_key_values(p)
for k, v in kv_pairs.items():
if k in dimensions:
dimensions[k] = v
elif k == 'panels':
dimensions['panel_count'] = int(v)
elif k == 'frames':
dimensions['frame_width'] = v
# Add NxMxP pattern recognition
pattern = extract_x_pattern(p)
if pattern:
dimensions['length'], dimensions['width'], dimensions['height'] = pattern
# Enhanced shape identification
shape_type = None
for shape in self.shapes_library.keys():
if shape.replace('_', ' ') in p or shape in p:
shape_type = shape
break
# Additional keyword mapping
if shape_type is None:
for keyword in ['tank', 'panel']:
if keyword in p:
if keyword == 'tank':
shape_type = 'water_tank' if 'water_tank' in self.shapes_library else 'cylinder'
elif keyword == 'panel':
shape_type = 'gypsum_panel' if 'gypsum_panel' in self.shapes_library else 'plate'
if not shape_type:
shape_type = 'cube'
color = self._extract_color(p)
# Detect precision preference
precision = 'high' if any(word in p for word in ['precise', 'parametric', 'high', 'accurate']) else 'fast'
if any(word in p for word in ['fast', 'approx', 'quick']):
precision = 'fast'
return {
'shape': shape_type,
'dimensions': dimensions,
'color': color,
'precision': precision,
'prompt': prompt
}
def _extract_dimensions(self, prompt: str):
"""Extract dimensions from prompt"""
dimensions = {
'length': 10, 'width': 10, 'height': 10, 'radius': 5, 'diameter': 10,
'depth': 10, 'thickness': 5, 'spacing': 400, 'num_shelves': 4,
'rail_width': 80, 'leg_size': 50, 'panel_thickness': 18
}
patterns = {
'length': r'length\s*[:=]?\s*(\d+\.?\d*)',
'width': r'width\s*[:=]?\s*(\d+\.?\d*)',
'height': r'height\s*[:=]?\s*(\d+\.?\d*)',
'radius': r'radius\s*[:=]?\s*(\d+\.?\d*)',
'diameter': r'diameter\s*[:=]?\s*(\d+\.?\d*)',
'depth': r'depth\s*[:=]?\s*(\d+\.?\d*)',
'size': r'size\s*[:=]?\s*(\d+\.?\d*)',
'thick': r'thick\w*\s*[:=]?\s*(\d+\.?\d*)',
'spacing': r'spacing\s*[:=]?\s*(\d+\.?\d*)',
'shelves': r'shelves\s*[:=]?\s*(\d+)',
'rail': r'rail\s*[:=]?\s*(\d+\.?\d*)',
'leg': r'leg\s*[:=]?\s*(\d+\.?\d*)',
'panel': r'panel\s*[:=]?\s*(\d+\.?\d*)'
}
for key, pattern in patterns.items():
match = re.search(pattern, prompt, re.IGNORECASE)
if match:
value = float(match.group(1))
if key == 'size':
dimensions['length'] = dimensions['width'] = dimensions['height'] = value
elif key == 'thick':
dimensions['thickness'] = value
elif key == 'shelves':
dimensions['num_shelves'] = int(value)
elif key == 'rail':
dimensions['rail_width'] = value
elif key == 'leg':
dimensions['leg_size'] = value
elif key == 'panel':
dimensions['panel_thickness'] = value
else:
dimensions[key] = value
# Handle patterns like "10x20x30"
dimension_match = re.search(r'(\d+\.?\d*)\s*[x×]\s*(\d+\.?\d*)\s*[x×]\s*(\d+\.?\d*)', prompt)
if dimension_match:
dimensions['length'] = float(dimension_match.group(1))
dimensions['width'] = float(dimension_match.group(2))
dimensions['height'] = float(dimension_match.group(3))
return dimensions
def _extract_color(self, prompt: str):
"""Extract color from prompt"""
colors = ['red', 'blue', 'green', 'yellow', 'orange', 'purple', 'pink', 'brown', 'black', 'white', 'gray', 'grey']
for color in colors:
if color in prompt:
return color
return 'lightblue'
# Shape creation methods
def _create_cube(self, dims):
return trimesh.creation.box(extents=[dims['length'], dims['width'], dims['height']])
def _create_sphere(self, dims):
radius = dims.get('radius', dims.get('diameter', 10) / 2)
return trimesh.creation.icosphere(subdivisions=2, radius=radius)
def _create_cylinder(self, dims):
radius = dims.get('radius', dims.get('diameter', 10) / 2)
height = dims.get('height', 10)
return trimesh.creation.cylinder(radius=radius, height=height)
def _create_cone(self, dims):
radius = dims.get('radius', dims.get('diameter', 10) / 2)
height = dims.get('height', 10)
return trimesh.creation.cone(radius=radius, height=height)
def _create_pyramid(self, dims):
height = dims.get('height', 10)
base_size = dims.get('width', 10)
vertices = np.array([
[0, 0, height],
[-base_size/2, -base_size/2, 0], [base_size/2, -base_size/2, 0],
[base_size/2, base_size/2, 0], [-base_size/2, base_size/2, 0]
])
faces = np.array([
[0, 1, 2], [0, 2, 3], [0, 3, 4], [0, 4, 1],
[1, 4, 3], [1, 3, 2]
])
return trimesh.Trimesh(vertices=vertices, faces=faces)
def _create_torus(self, dims):
major_radius = dims.get('radius', 10)
minor_radius = major_radius * 0.3
return trimesh.creation.torus(major_radius=major_radius, minor_radius=minor_radius)
def _create_gear(self, dims):
radius = dims.get('radius', 10)
height = dims.get('height', 5)
return trimesh.creation.cylinder(radius=radius, height=height)
def _create_bracket(self, dims):
length = dims.get('length', 20)
width = dims.get('width', 10)
height = dims.get('height', 15)
thickness = min(3, width * 0.3, height * 0.3)
try:
base = trimesh.creation.box(extents=[length, width, thickness])
base = base.apply_translation([0, 0, -height/2 + thickness/2])
vertical = trimesh.creation.box(extents=[thickness, width, height])
vertical = vertical.apply_translation([length/2 - thickness/2, 0, 0])
return base.union(vertical)
except:
return trimesh.creation.box(extents=[length, width, height])
def _create_plate(self, dims):
return trimesh.creation.box(extents=[dims.get('length', 20), dims.get('width', 15), dims.get('height', 2)])
def _create_rod(self, dims):
radius = dims.get('radius', 2)
length = dims.get('length', 20)
rod = trimesh.creation.cylinder(radius=radius, height=length)
return rod.apply_transform(trimesh.transformations.rotation_matrix(np.pi/2, [0, 1, 0]))
def _create_washer(self, dims):
outer_radius = dims.get('radius', 10)
inner_radius = outer_radius * 0.4
height = dims.get('height', 2)
try:
outer = trimesh.creation.cylinder(radius=outer_radius, height=height)
inner = trimesh.creation.cylinder(radius=inner_radius, height=height * 1.1)
return outer.difference(inner)
except Exception:
# Fallback: return outer cylinder if boolean operation fails
return trimesh.creation.cylinder(radius=outer_radius, height=height)
def _create_screw(self, dims):
radius = dims.get('radius', 3)
length = dims.get('length', 20)
head_radius = radius * 1.5
head_height = radius
try:
body = trimesh.creation.cylinder(radius=radius, height=length)
head = trimesh.creation.cylinder(radius=head_radius, height=head_height)
head = head.apply_translation([0, 0, length/2 + head_height/2])
return body.union(head)
except Exception:
# Fallback: return just the body cylinder if union fails
return trimesh.creation.cylinder(radius=radius, height=length)
def _create_nut(self, dims):
radius = dims.get('radius', 5)
height = dims.get('height', 4)
inner_radius = radius * 0.4
try:
outer = trimesh.creation.cylinder(radius=radius, height=height, sections=6)
inner = trimesh.creation.cylinder(radius=inner_radius, height=height * 1.1)
return outer.difference(inner)
except Exception:
# Fallback: return hexagonal cylinder without hole
return trimesh.creation.cylinder(radius=radius, height=height, sections=6)
def _create_bearing(self, dims):
outer_radius = dims.get('radius', 10)
inner_radius = outer_radius * 0.6
height = dims.get('height', 5)
try:
outer = trimesh.creation.cylinder(radius=outer_radius, height=height)
inner = trimesh.creation.cylinder(radius=inner_radius, height=height * 1.1)
return outer.difference(inner)
except Exception:
# Fallback: return outer cylinder without hole
return trimesh.creation.cylinder(radius=outer_radius, height=height)
def _create_flange(self, dims):
outer_radius = dims.get('radius', 15)
inner_radius = outer_radius * 0.4
height = dims.get('height', 5)
try:
outer = trimesh.creation.cylinder(radius=outer_radius, height=height)
inner = trimesh.creation.cylinder(radius=inner_radius, height=height * 1.1)
return outer.difference(inner)
except Exception:
# Fallback: return outer cylinder without hole
return trimesh.creation.cylinder(radius=outer_radius, height=height)
def _create_pipe(self, dims):
outer_radius = dims.get('radius', 10)
inner_radius = outer_radius * 0.8
length = dims.get('length', 30)
try:
outer = trimesh.creation.cylinder(radius=outer_radius, height=length)
inner = trimesh.creation.cylinder(radius=inner_radius, height=length * 1.1)
return outer.difference(inner)
except Exception:
# Fallback: return solid cylinder without hole
return trimesh.creation.cylinder(radius=outer_radius, height=length)
# =====================================================
# ARCHITECTURAL FRAMES
# =====================================================
def _create_door_frame(self, dims):
"""Create a door frame with header and side jambs"""
width = dims.get('width', 900) # Door opening width (mm)
height = dims.get('height', 2100) # Door opening height (mm)
depth = dims.get('depth', 150) # Frame depth (mm)
thickness = dims.get('thickness', 50) # Frame thickness (mm)
try:
# Create the outer frame box
outer_width = width + 2 * thickness
outer_height = height + thickness # No bottom piece
frame_box = trimesh.creation.box(extents=[outer_width, depth, outer_height])
# Create the opening to subtract
opening = trimesh.creation.box(extents=[width, depth * 1.1, height])
opening = opening.apply_translation([0, 0, -thickness/2])
return frame_box.difference(opening)
except Exception:
# Fallback: create L-shaped frame pieces
# Left jamb
left = trimesh.creation.box(extents=[thickness, depth, height])
left = left.apply_translation([-(width/2 + thickness/2), 0, 0])
# Right jamb
right = trimesh.creation.box(extents=[thickness, depth, height])
right = right.apply_translation([(width/2 + thickness/2), 0, 0])
# Header
header = trimesh.creation.box(extents=[width + 2*thickness, depth, thickness])
header = header.apply_translation([0, 0, height/2 + thickness/2])
try:
return left.union(right).union(header)
except Exception:
return trimesh.creation.box(extents=[outer_width, depth, outer_height])
def _create_window_frame(self, dims):
"""Create a window frame with sill"""
width = dims.get('width', 1200) # Window opening width (mm)
height = dims.get('height', 1000) # Window opening height (mm)
depth = dims.get('depth', 100) # Frame depth (mm)
thickness = dims.get('thickness', 50) # Frame thickness (mm)
sill_height = dims.get('sill_height', 20) # Window sill height (mm)
try:
# Create the outer frame box
outer_width = width + 2 * thickness
outer_height = height + 2 * thickness
frame_box = trimesh.creation.box(extents=[outer_width, depth, outer_height])
# Create the opening to subtract
opening = trimesh.creation.box(extents=[width, depth * 1.1, height])
# Create window sill (extended bottom piece)
sill = trimesh.creation.box(extents=[outer_width + 100, depth + 50, sill_height])
sill = sill.apply_translation([0, 25, -(outer_height/2 + sill_height/2)])
frame_with_opening = frame_box.difference(opening)
return frame_with_opening.union(sill)
except Exception:
# Fallback: create frame pieces separately
# Create 4 sides of the window frame
left = trimesh.creation.box(extents=[thickness, depth, height + 2*thickness])
left = left.apply_translation([-(width/2 + thickness/2), 0, 0])
right = trimesh.creation.box(extents=[thickness, depth, height + 2*thickness])
right = right.apply_translation([(width/2 + thickness/2), 0, 0])
top = trimesh.creation.box(extents=[width, depth, thickness])
top = top.apply_translation([0, 0, height/2 + thickness/2])
bottom = trimesh.creation.box(extents=[width, depth, thickness])
bottom = bottom.apply_translation([0, 0, -(height/2 + thickness/2)])
try:
return left.union(right).union(top).union(bottom)
except Exception:
return trimesh.creation.box(extents=[outer_width, depth, outer_height])
def _create_gypsum_frame(self, dims):
"""Create a gypsum/drywall frame structure"""
width = dims.get('width', 2400) # Frame width (mm)
height = dims.get('height', 2700) # Frame height (mm)
depth = dims.get('depth', 100) # Stud depth (mm)
stud_width = dims.get('stud_width', 50) # Stud width (mm)
spacing = dims.get('spacing', 400) # Stud spacing (mm)
try:
# Create top and bottom plates
top_plate = trimesh.creation.box(extents=[width, depth, stud_width])
top_plate = top_plate.apply_translation([0, 0, height/2 - stud_width/2])
bottom_plate = trimesh.creation.box(extents=[width, depth, stud_width])
bottom_plate = bottom_plate.apply_translation([0, 0, -height/2 + stud_width/2])
# Create vertical studs
stud_height = height - 2 * stud_width
num_studs = int(width / spacing) + 1
studs = []
for i in range(num_studs):
x_pos = -width/2 + i * spacing
if x_pos <= width/2:
stud = trimesh.creation.box(extents=[stud_width, depth, stud_height])
stud = stud.apply_translation([x_pos, 0, 0])
studs.append(stud)
# Combine all pieces
frame = top_plate.union(bottom_plate)
for stud in studs:
frame = frame.union(stud)
return frame
except Exception:
# Fallback: simple rectangular frame
return trimesh.creation.box(extents=[width, depth, height])
# =====================================================
# FURNITURE FRAMES
# =====================================================
def _create_bed_frame(self, dims):
"""Create a bed frame structure"""
length = dims.get('length', 2000) # Bed length (mm)
width = dims.get('width', 1500) # Bed width (mm)
height = dims.get('height', 400) # Frame height (mm)
rail_width = dims.get('rail_width', 80) # Rail thickness (mm)
rail_height = dims.get('rail_height', 200) # Rail height (mm)
try:
# Create head rail
head_rail = trimesh.creation.box(extents=[width, rail_width, rail_height])
head_rail = head_rail.apply_translation([0, length/2 - rail_width/2, rail_height/2 - height/2])
# Create foot rail
foot_rail = trimesh.creation.box(extents=[width, rail_width, rail_height * 0.6])
foot_rail = foot_rail.apply_translation([0, -length/2 + rail_width/2, rail_height*0.3 - height/2])
# Create side rails
left_rail = trimesh.creation.box(extents=[rail_width, length - 2*rail_width, rail_width])
left_rail = left_rail.apply_translation([-width/2 + rail_width/2, 0, -height/2 + rail_width/2])
right_rail = trimesh.creation.box(extents=[rail_width, length - 2*rail_width, rail_width])
right_rail = right_rail.apply_translation([width/2 - rail_width/2, 0, -height/2 + rail_width/2])
# Create support slats (simplified as a platform)
platform = trimesh.creation.box(extents=[width - 2*rail_width, length - 2*rail_width, 20])
platform = platform.apply_translation([0, 0, -height/2 + 20])
return head_rail.union(foot_rail).union(left_rail).union(right_rail).union(platform)
except Exception:
# Fallback: simple platform
return trimesh.creation.box(extents=[width, length, height])
def _create_table_frame(self, dims):
"""Create a table frame structure"""
length = dims.get('length', 1200) # Table length (mm)
width = dims.get('width', 800) # Table width (mm)
height = dims.get('height', 750) # Table height (mm)
top_thickness = dims.get('top_thickness', 30) # Top thickness (mm)
leg_size = dims.get('leg_size', 50) # Leg cross-section (mm)
try:
# Create table top
table_top = trimesh.creation.box(extents=[length, width, top_thickness])
table_top = table_top.apply_translation([0, 0, height/2 - top_thickness/2])
# Create legs
leg_height = height - top_thickness
leg_positions = [
[-length/2 + leg_size, -width/2 + leg_size, -top_thickness/2],
[length/2 - leg_size, -width/2 + leg_size, -top_thickness/2],
[-length/2 + leg_size, width/2 - leg_size, -top_thickness/2],
[length/2 - leg_size, width/2 - leg_size, -top_thickness/2]
]
frame = table_top
for pos in leg_positions:
leg = trimesh.creation.box(extents=[leg_size, leg_size, leg_height])
leg = leg.apply_translation(pos)
frame = frame.union(leg)
return frame
except Exception:
# Fallback: solid block
return trimesh.creation.box(extents=[length, width, height])
def _create_chair_frame(self, dims):
"""Create a chair frame structure"""
width = dims.get('width', 450) # Seat width (mm)
depth = dims.get('depth', 400) # Seat depth (mm)
seat_height = dims.get('seat_height', 450) # Seat height (mm)
back_height = dims.get('back_height', 350) # Back height above seat (mm)
frame_size = dims.get('frame_size', 30) # Frame member size (mm)
try:
# Create seat frame
seat = trimesh.creation.box(extents=[width, depth, frame_size])
seat = seat.apply_translation([0, 0, seat_height - frame_size/2])
# Create backrest
back = trimesh.creation.box(extents=[width, frame_size, back_height])
back = back.apply_translation([0, depth/2 - frame_size/2, seat_height + back_height/2])
# Create legs
leg_positions = [
[-width/2 + frame_size/2, -depth/2 + frame_size/2],
[width/2 - frame_size/2, -depth/2 + frame_size/2],
[-width/2 + frame_size/2, depth/2 - frame_size/2],
[width/2 - frame_size/2, depth/2 - frame_size/2]
]
frame = seat.union(back)
for x, y in leg_positions:
leg = trimesh.creation.box(extents=[frame_size, frame_size, seat_height])
leg = leg.apply_translation([x, y, seat_height/2 - frame_size/2])
frame = frame.union(leg)
return frame
except Exception:
# Fallback: simple chair block
total_height = seat_height + back_height
return trimesh.creation.box(extents=[width, depth, total_height])
def _create_shelf_frame(self, dims):
"""Create a shelf frame structure"""
width = dims.get('width', 800) # Shelf width (mm)
depth = dims.get('depth', 300) # Shelf depth (mm)
height = dims.get('height', 1800) # Total height (mm)
shelf_thickness = dims.get('shelf_thickness', 20) # Shelf thickness (mm)
num_shelves = dims.get('num_shelves', 4) # Number of shelves
try:
# Create vertical sides
left_side = trimesh.creation.box(extents=[shelf_thickness, depth, height])
left_side = left_side.apply_translation([-width/2 + shelf_thickness/2, 0, 0])
right_side = trimesh.creation.box(extents=[shelf_thickness, depth, height])
right_side = right_side.apply_translation([width/2 - shelf_thickness/2, 0, 0])
# Create shelves
shelf_spacing = (height - shelf_thickness) / (num_shelves - 1)
frame = left_side.union(right_side)
for i in range(num_shelves):
z_pos = -height/2 + shelf_thickness/2 + i * shelf_spacing
shelf = trimesh.creation.box(extents=[width - 2*shelf_thickness, depth, shelf_thickness])
shelf = shelf.apply_translation([0, 0, z_pos])
frame = frame.union(shelf)
return frame
except Exception:
# Fallback: solid block
return trimesh.creation.box(extents=[width, depth, height])
def _create_cabinet_frame(self, dims):
"""Create a cabinet frame structure"""
width = dims.get('width', 600) # Cabinet width (mm)
depth = dims.get('depth', 350) # Cabinet depth (mm)
height = dims.get('height', 720) # Cabinet height (mm)
panel_thickness = dims.get('panel_thickness', 18) # Panel thickness (mm)
try:
# Create cabinet box
# Left side
left = trimesh.creation.box(extents=[panel_thickness, depth, height])
left = left.apply_translation([-width/2 + panel_thickness/2, 0, 0])
# Right side
right = trimesh.creation.box(extents=[panel_thickness, depth, height])
right = right.apply_translation([width/2 - panel_thickness/2, 0, 0])
# Top
top = trimesh.creation.box(extents=[width, depth, panel_thickness])
top = top.apply_translation([0, 0, height/2 - panel_thickness/2])
# Bottom
bottom = trimesh.creation.box(extents=[width, depth, panel_thickness])
bottom = bottom.apply_translation([0, 0, -height/2 + panel_thickness/2])
# Back panel
back_panel = trimesh.creation.box(extents=[width - 2*panel_thickness, panel_thickness, height - 2*panel_thickness])
back_panel = back_panel.apply_translation([0, depth/2 - panel_thickness/2, 0])
return left.union(right).union(top).union(bottom).union(back_panel)
except Exception:
# Fallback: solid block
return trimesh.creation.box(extents=[width, depth, height])
# =====================================================
# PARAMETRIC BUILDERS (CadQuery + Trimesh Fallbacks)
# =====================================================
def _create_parametric_washer(self, dims):
"""Enhanced washer with CadQuery precision"""
outer_radius = dims.get('outer_radius', dims.get('radius', 20))
inner_radius = dims.get('inner_radius', outer_radius * 0.4)
thickness = dims.get('thickness', 3)
if CADQUERY_AVAILABLE:
try:
outer = cq.Workplane("XY").circle(outer_radius).extrude(thickness)
inner = cq.Workplane("XY").circle(inner_radius).extrude(thickness + 0.01)
washer = outer.cut(inner)
return cq_to_trimesh(washer)
except Exception:
pass
# Fallback to existing method
return self._create_washer(dims)
def _create_parametric_nut(self, dims):
"""Enhanced nut with CadQuery precision"""
radius = dims.get('radius', 10)
thickness = dims.get('thickness', dims.get('height', 6))
hole_radius = dims.get('hole_radius', radius * 0.4)
if CADQUERY_AVAILABLE:
try:
nut = cq.Workplane("XY").polygon(6, radius * 2).extrude(thickness)
nut = nut.faces(">Z").workplane().hole(hole_radius * 2)
return cq_to_trimesh(nut)
except Exception:
pass
# Fallback to existing method
return self._create_nut(dims)
def _create_parametric_bracket(self, dims):
"""Enhanced bracket with CadQuery precision"""
leg1 = dims.get('length', 100)
leg2 = dims.get('height', 80)
thickness = dims.get('thickness', 6)
hole_diam = dims.get('hole_radius', 4) * 2
hole_offset = dims.get('depth', 20)
if CADQUERY_AVAILABLE:
try:
legA = cq.Workplane("XY").box(leg1, thickness, thickness).translate((leg1/2 - leg1, 0, 0))
legB = cq.Workplane("XY").box(thickness, thickness, leg2).translate((0, 0, leg2/2))
combined = legA.union(legB)
if hole_diam > 0:
combined = combined.faces(">Z").workplane().pushPoints([(hole_offset - leg1/2, 0), (leg1 - hole_offset - leg1/2, 0)]).hole(hole_diam)
return cq_to_trimesh(combined)
except Exception:
pass
# Fallback to existing method
return self._create_bracket(dims)
def _create_parametric_door(self, dims):
"""Enhanced door with CadQuery precision"""
width = dims.get('width', 900)
height = dims.get('height', 2100)
thickness = dims.get('thickness', 40)
panel_count = dims.get('panel_count', 2)
frame_width = dims.get('frame_width', 60)
if CADQUERY_AVAILABLE:
try:
door = cq.Workplane("XY").box(width, thickness, height)
# Add panel insets
if panel_count > 0:
panel_h = (height - 2*frame_width - (panel_count-1)*frame_width) / panel_count
z0 = -height/2 + frame_width + panel_h/2
for i in range(int(panel_count)):
door = door.faces(">Y").workplane().center(0, z0 - (-height/2)).rect(width - 2*frame_width, panel_h - frame_width/2).cutBlind(-frame_width/4)
z0 += panel_h + frame_width
return cq_to_trimesh(door)
except Exception:
pass
# Fallback to existing method
return self._create_door_frame(dims)
def _create_parametric_window(self, dims):
"""Enhanced window with CadQuery precision"""
width = dims.get('width', 1200)
height = dims.get('height', 1200)
frame_thickness = dims.get('thickness', dims.get('depth', 60))
glass_thickness = dims.get('glass_thickness', 6)
if CADQUERY_AVAILABLE:
try:
# Create frame
outer = cq.Workplane("XY").box(width, frame_thickness, height)
inner = cq.Workplane("XY").box(width - 2*frame_thickness, frame_thickness + 2, height - 2*frame_thickness)
frame = outer.cut(inner)
# Add glass
glass = cq.Workplane("XY").box(width - 2*frame_thickness - 2, glass_thickness, height - 2*frame_thickness - 2)
return cq_to_trimesh(frame.union(glass))
except Exception:
pass
# Fallback to existing method
return self._create_window_frame(dims)
def _create_water_tank(self, dims):
"""Create a cylindrical water tank"""
diameter = dims.get('diameter', 1000)
height = dims.get('height', 1200)
wall_thickness = dims.get('wall_thickness', dims.get('thickness', 8))
outer_radius = diameter / 2
inner_radius = outer_radius - wall_thickness
if CADQUERY_AVAILABLE:
try:
outer = cq.Workplane("XY").circle(outer_radius).extrude(height)
inner = cq.Workplane("XY").circle(inner_radius).extrude(height + 1)
tank = outer.cut(inner)
# Add lid
lid = cq.Workplane("XY").circle(outer_radius + 10).extrude(5).translate((0, 0, height/2 + 2.5))
return cq_to_trimesh(tank.union(lid))
except Exception:
pass
# Trimesh fallback
try:
outer = trimesh.creation.cylinder(radius=outer_radius, height=height, sections=128)
inner = trimesh.creation.cylinder(radius=inner_radius, height=height*1.01, sections=128)
return safe_difference(outer, inner)
except Exception:
return trimesh.creation.cylinder(radius=outer_radius, height=height)
def generate_3d_model(self, params):
"""Generate 3D model based on parameters"""
shape_func = self.shapes_library.get(params['shape'], self._create_cube)
return shape_func(params['dimensions'])
def generate_3d_visualization(self, mesh, color='lightblue'):
"""Generate interactive 3D visualization using Plotly"""
vertices = mesh.vertices
faces = mesh.faces
color_map = {
'red': '#FF0000', 'blue': '#0000FF', 'green': '#00FF00',
'yellow': '#FFFF00', 'orange': '#FFA500', 'purple': '#800080',
'pink': '#FFC0CB', 'brown': '#A52A2A', 'black': '#000000',
'white': '#FFFFFF', 'gray': '#808080', 'grey': '#808080',
'lightblue': '#ADD8E6'
}
mesh_color = color_map.get(color, '#ADD8E6')
fig = go.Figure(data=[
go.Mesh3d(
x=vertices[:, 0],
y=vertices[:, 1],
z=vertices[:, 2],
i=faces[:, 0],
j=faces[:, 1],
k=faces[:, 2],
color=mesh_color,
opacity=0.8,
lighting=dict(ambient=0.18, diffuse=1, fresnel=0.1, specular=1, roughness=0.05),
lightposition=dict(x=100, y=200, z=0)
)
])
fig.update_layout(
title="3D CAD Model",
scene=dict(
xaxis_title="X (mm)",
yaxis_title="Y (mm)",
zaxis_title="Z (mm)",
camera=dict(eye=dict(x=1.5, y=1.5, z=1.5))
),
width=800,
height=600
)
return fig
# =====================================================
# 2D PLATE DESIGN AND G-CODE GENERATOR
# =====================================================
def parse_plate_description(description):
"""Parse textual description to extract geometric parameters for a plate"""
width, height = 100, 100
holes = []
slots = []
ovals = []
# Find width and height
match = re.search(r'(\d+)\s*mm\s*[xX×]\s*(\d+)\s*mm', description)
if match:
width = int(match.group(1))
height = int(match.group(2))
# Find circular holes
for center_match in re.finditer(r'(hole|circle|circular cutout)[^\d]*(\d+)\s*mm', description):
diameter = int(center_match.group(2))
holes.append({
'x': width / 2,
'y': height / 2,
'diameter': diameter
})
# Find slots
for slot_match in re.finditer(r'(\d+)\s*mm\s+long\s+and\s+(\d+)\s*mm\s+wide\s+slot', description):
slots.append({
'x': width / 2,
'y': height / 2,
'length': int(slot_match.group(1)),
'width': int(slot_match.group(2))
})
# Find ovals
for oval_match in re.finditer(r'oval\s+hole\s+(\d+)\s*mm\s+long\s+and\s+(\d+)\s*mm\s+wide', description):
ovals.append({
'x': width / 2,
'y': height / 2,
'length': int(oval_match.group(1)),
'width': int(oval_match.group(2))
})
return {
"width": width,
"height": height,
"holes": holes,
"slots": slots,
"ovals": ovals
}
def generate_3_view_drawings(description):
"""Generate a 3-view engineering drawing from the description"""
parsed = parse_plate_description(description)
width = parsed["width"]
height = parsed["height"]
depth = 5
holes = parsed["holes"]
slots = parsed["slots"]
ovals = parsed["ovals"]
fig, axes = plt.subplots(1, 3, figsize=(15, 5))
views = ['Top View', 'Front View', 'Side View']
for ax, view in zip(axes, views):
ax.set_title(view)
ax.grid(True, linestyle='--', linewidth=0.5)
ax.set_aspect('equal', adjustable='box')
if view == "Top View":
# Draw the main plate
shape = box(0, 0, width, height)
x, y = shape.exterior.xy
ax.plot(x, y, color='black')
# Draw features
for hole in holes:
r = hole['diameter'] / 2
circle = Point(hole['x'], hole['y']).buffer(r)
hx, hy = circle.exterior.xy
ax.plot(hx, hy, color='black')
for slot in slots:
slot_shape = Point(slot['x'], slot['y']).buffer(1)
slot_shape = scale(slot_shape, slot['length']/2, slot['width']/2)
sx, sy = slot_shape.exterior.xy
ax.plot(sx, sy, color='black')
for oval in ovals:
ellipse = Point(oval['x'], oval['y']).buffer(1)
ellipse = scale(ellipse, oval['length'] / 2, oval['width'] / 2)
ox, oy = ellipse.exterior.xy
ax.plot(ox, oy, color='black')
ax.set_xlim(-10, width + 10)
ax.set_ylim(-10, height + 10)
elif view == "Front View":
shape = box(0, 0, width, depth)
x, y = shape.exterior.xy
ax.plot(x, y, color='black')
ax.set_xlim(-10, width + 10)
ax.set_ylim(-10, depth + 10)
elif view == "Side View":
shape = box(0, 0, height, depth)
x, y = shape.exterior.xy
ax.plot(x, y, color='black')
ax.set_xlim(-10, height + 10)
ax.set_ylim(-10, depth + 10)
plt.tight_layout()
# Convert to PIL Image
buf = io.BytesIO()
plt.savefig(buf, format='png', dpi=150, bbox_inches='tight')
buf.seek(0)
img = Image.open(buf)
plt.close()
return img
def generate_gcode(description):
"""Generate G-code for milling the part based on the description"""
parsed = parse_plate_description(description)
gcode = [
"G21 ; Set units to mm",
"G90 ; Use absolute positioning",
"G17 ; Select XY plane",
"M3 S1000 ; Start spindle",
"G0 Z5 ; Lift Z to a safe height"
]
# Mill the outer rectangle
w, h = parsed['width'], parsed['height']
gcode.extend([
"\n; --- Mill Outer Profile ---",
"G0 X0 Y0 ; Move to starting corner",
"G1 Z-1 F100 ; Plunge down",
f"G1 X{w} F300 ; Mill along X",
f"G1 Y{h} ; Mill along Y",
f"G1 X0 ; Mill back along X",
"G1 Y0 ; Mill back to start",
"G0 Z5 ; Retract Z"
])
# Mill circular holes
for hole in parsed['holes']:
x, y, d = hole['x'], hole['y'], hole['diameter']
r = d / 2
gcode.extend([
f"\n; --- Mill Hole at X{x}, Y{y}, D{d} ---",
f"G0 X{x - r} Y{y} ; Move to start of circle",
"G1 Z-1 F100 ; Plunge down",
f"G2 I{r} J0 F200 ; Mill full circle (CW)",
"G0 Z5 ; Retract Z"
])
# Mill slots
for slot in parsed['slots']:
x, y, l, w_slot = slot['x'], slot['y'], slot['length'], slot['width']
r = w_slot / 2
x_start = x - (l - w_slot) / 2
x_end = x + (l - w_slot) / 2
gcode.extend([
f"\n; --- Mill Slot at center X{x}, Y{y} ---",
f"G0 X{x_start} Y{y - r}",
"G1 Z-1 F100",
f"G1 X{x_end} F200",
f"G2 I0 J{r}",
f"G1 X{x_start}",
f"G2 I0 J{r}",
"G0 Z5"
])
# Ovals
for oval in parsed['ovals']:
x, y, l, w_oval = oval['x'], oval['y'], oval['length'], oval['width']
gcode.append(f"\n; --- Oval hole at X{x}, Y{y} (manual operation needed) ---")
gcode.append(f"; Oval of length {l} and width {w_oval} cannot be interpolated with simple G2/G3")
gcode.append("\nM5 ; Stop spindle")
gcode.append("G0 X0 Y0 ; Return to home")
gcode.append("M30 ; End of program")
return "\n".join(gcode)
# =====================================================
# CFD SOLVER
# =====================================================
def run_cfd_simulation(Lx=2.0, Ly=1.0, Nx=41, Ny=21, inlet_velocity=0.005,
density=1.0, viscosity=0.05, obstacle_params=None,
max_iterations=1000):
"""Run CFD simulation with given parameters"""
try:
dx = Lx / (Nx - 1)
dy = Ly / (Ny - 1)
# Initialize fields
u = np.zeros((Ny, Nx))
v = np.zeros((Ny, Nx))
p = np.ones((Ny, Nx))
# Create obstacle mask
obstacle_mask = np.zeros((Ny, Nx), dtype=bool)
if obstacle_params:
ox1, oy1, ox2, oy2 = obstacle_params
if ox1 != 0 or oy1 != 0 or ox2 != 0 or oy2 != 0:
i_ox1 = max(0, int(round(ox1 / dx)))
j_oy1 = max(0, int(round(oy1 / dy)))
i_ox2 = min(Nx - 1, int(round(ox2 / dx)))
j_oy2 = min(Ny - 1, int(round(oy2 / dy)))
obstacle_mask[j_oy1:j_oy2, i_ox1:i_ox2] = True
dt = 0.01
nu = viscosity / density
# Simple simulation loop
for iteration in range(max_iterations):
un = u.copy()
vn = v.copy()
# Apply boundary conditions
u[:, 0] = inlet_velocity # Inlet
v[:, 0] = 0.0
u[:, -1] = u[:, -2] # Outlet
v[:, -1] = v[:, -2]
u[0, :] = 0.0 # Walls
u[-1, :] = 0.0
v[0, :] = 0.0
v[-1, :] = 0.0
u[obstacle_mask] = 0.0
v[obstacle_mask] = 0.0
# Simple explicit update (simplified)
for j in range(1, Ny-1):
for i in range(1, Nx-1):
if obstacle_mask[j, i]:
continue
# Diffusion terms
diff_u = nu * ((un[j, i+1] - 2*un[j, i] + un[j, i-1])/dx**2 +
(un[j+1, i] - 2*un[j, i] + un[j-1, i])/dy**2)
diff_v = nu * ((vn[j, i+1] - 2*vn[j, i] + vn[j, i-1])/dx**2 +
(vn[j+1, i] - 2*vn[j, i] + vn[j-1, i])/dy**2)
u[j, i] = un[j, i] + dt * diff_u
v[j, i] = vn[j, i] + dt * diff_v
# Check convergence
if iteration % 100 == 0:
diff = np.max(np.abs(u - un))
if diff < 1e-6:
break
# Generate visualization
x = np.linspace(0, Lx, Nx)
y = np.linspace(0, Ly, Ny)
X, Y = np.meshgrid(x, y)
# Mask obstacle points
u_plot = u.copy()
v_plot = v.copy()
u_plot[obstacle_mask] = np.nan
v_plot[obstacle_mask] = np.nan
velocity_magnitude = np.sqrt(u_plot**2 + v_plot**2)
# Create plot
fig, axes = plt.subplots(1, 2, figsize=(15, 6))
# Velocity magnitude
im1 = axes[0].contourf(X, Y, velocity_magnitude, levels=20, cmap='viridis')
axes[0].set_title('Velocity Magnitude')
axes[0].set_xlabel('X (m)')
axes[0].set_ylabel('Y (m)')
plt.colorbar(im1, ax=axes[0])
# Streamlines
axes[1].streamplot(x, y, u_plot, v_plot, density=2, color='blue', linewidth=0.8)
axes[1].set_title('Flow Streamlines')
axes[1].set_xlabel('X (m)')
axes[1].set_ylabel('Y (m)')
if np.any(obstacle_mask):
for ax in axes:
ax.contour(X, Y, obstacle_mask, levels=[0.5], colors='red', linewidths=2)
plt.tight_layout()
# Convert to image
buf = io.BytesIO()
plt.savefig(buf, format='png', dpi=150, bbox_inches='tight')
buf.seek(0)
img = Image.open(buf)
plt.close()
return img, f"CFD simulation completed after {iteration+1} iterations"
except Exception as e:
# Return error image
fig, ax = plt.subplots(figsize=(10, 6))
ax.text(0.5, 0.5, f"CFD Error: {str(e)}", ha='center', va='center', fontsize=12)
ax.set_xlim(0, 1)
ax.set_ylim(0, 1)
plt.title("CFD Simulation Error")
buf = io.BytesIO()
plt.savefig(buf, format='png', dpi=150, bbox_inches='tight')
buf.seek(0)
img = Image.open(buf)
plt.close()
return img, f"Error: {str(e)}"
# =====================================================
# ORTHOGRAPHIC VIEWS GENERATOR (6 views + flexible grid)
# =====================================================
def generate_orthographic_views(mesh, layout="2x3"):
"""
Generate 6 orthographic views (Front, Back, Top, Bottom, Left, Right)
and a combined grid image with customizable layout.
Args:
mesh: 3D mesh with `.vertices`
layout (str): Grid layout e.g. "2x3", "3x2", "1x6", "6x1"
Returns:
PIL Image: Combined orthographic views
"""
try:
projections = [
("Front (XY)", [0, 1]),
("Back (XY)", [0, 1]),
("Top (XZ)", [0, 2]),
("Bottom (XZ)", [0, 2]),
("Left (YZ)", [1, 2]),
("Right (YZ)", [1, 2]),
]
views = []
titles = []
# --- Generate individual images ---
for title, axes_idx in projections:
fig, ax = plt.subplots(figsize=(4, 4))
ax.set_title(title)
ax.set_aspect('equal')
ax.grid(True, alpha=0.3)
vertices_2d = mesh.vertices[:, axes_idx]
if len(vertices_2d) > 3:
try:
hull = ConvexHull(vertices_2d)
hull_points = vertices_2d[hull.vertices]
hull_points = np.vstack([hull_points, hull_points[0]])
ax.plot(hull_points[:, 0], hull_points[:, 1], 'b-', linewidth=2)
except Exception as hull_err:
print(f"Hull error on {title}: {hull_err}")
buf = io.BytesIO()
plt.savefig(buf, format='png', dpi=120, bbox_inches='tight')
buf.seek(0)
img = Image.open(buf)
plt.close(fig)
views.append(img)
titles.append(title)
# --- Parse layout ---
try:
rows, cols = map(int, layout.lower().split("x"))
if rows * cols < 6:
raise ValueError("Layout grid too small for 6 views.")
except Exception:
print(f"Invalid layout '{layout}', defaulting to 2x3")
rows, cols = 2, 3
# --- Create combined grid ---
fig, axs = plt.subplots(rows, cols, figsize=(4*cols, 4*rows))
axs = np.array(axs).reshape(-1) # Flatten to 1D array for easy indexing
for ax, view_img, title in zip(axs, views, titles):
ax.imshow(view_img)
ax.set_title(title, fontsize=10)
ax.axis("off")
# Hide extra empty subplots if grid > 6
for ax in axs[len(views):]:
ax.axis("off")
plt.tight_layout()
buf = io.BytesIO()
plt.savefig(buf, format='png', dpi=150, bbox_inches='tight')
buf.seek(0)
combined_img = Image.open(buf)
plt.close(fig)
return combined_img
except Exception as e:
# Return error image
fig, ax = plt.subplots(figsize=(10, 6))
ax.text(0.5, 0.5, f"Orthographic Views Error: {str(e)}", ha='center', va='center', fontsize=12, color='red')
ax.set_xlim(0, 1)
ax.set_ylim(0, 1)
plt.title("Orthographic Views Error")
buf = io.BytesIO()
plt.savefig(buf, format='png', dpi=150, bbox_inches='tight')
buf.seek(0)
img = Image.open(buf)
plt.close()
return img
# =====================================================
# MAIN APPLICATION FUNCTIONS
# =====================================================
# Initialize CAD generator
cad_generator = TextToCADGenerator()
def process_text_to_cad(prompt, precision_choice="High (parametric)", export_format="stl", grid_layout="2x3"):
"""Enhanced CAD processing with precision modes and export capabilities"""
try:
params = cad_generator.parse_prompt(prompt)
# Override precision based on UI choice
params['precision'] = 'high' if precision_choice.lower().startswith('h') else 'fast'
# Use parametric builders for high precision when available
if params['precision'] == 'high' and params['shape'] in ['washer', 'nut', 'bracket', 'door', 'window']:
# Try parametric version first
parametric_shape = f"parametric_{params['shape']}"
if parametric_shape in cad_generator.shapes_library:
original_shape = params['shape']
params['shape'] = parametric_shape
try:
mesh_3d = cad_generator.generate_3d_model(params)
except Exception:
# Fallback to original shape
params['shape'] = original_shape
mesh_3d = cad_generator.generate_3d_model(params)
else:
mesh_3d = cad_generator.generate_3d_model(params)
else:
mesh_3d = cad_generator.generate_3d_model(params)
# Generate 3D visualization
fig_3d = cad_generator.generate_3d_visualization(mesh_3d, params['color'])
# Generate enhanced orthographic views
views_result = generate_orthographic_views(mesh_3d, layout=grid_layout)
if len(views_result) >= 7: # 6 individual views + combined
ortho_views = views_result[6] # Use combined view
else:
ortho_views = views_result[0] if views_result else None
# Enhanced summary
dims = params['dimensions']
dim_summary = []
for key, value in dims.items():
if value is not None and key in ['length', 'width', 'height', 'radius', 'diameter', 'thickness']:
dim_summary.append(f"{key.title()}: {value}mm")
backend_info = "✅ CadQuery (parametric)" if CADQUERY_AVAILABLE and params['precision'] == 'high' else "⚡ Trimesh (fast)"
boolean_info = f"Boolean backend: {BOOL_BACKEND}" if BOOL_BACKEND else "No boolean backend"
summary = f"""
**🔧 Generated CAD Model Summary:**
- **Shape:** {params['shape'].replace('_', ' ').replace('parametric ', '').title()}
- **Dimensions:** {', '.join(dim_summary) if dim_summary else 'Default dimensions'}
- **Color:** {params['color'].title()}
- **Precision Mode:** {params['precision'].title()} precision
- **CAD Backend:** {backend_info}
- **{boolean_info}**
- **Original Prompt:** "{params['prompt']}"
✅ The model has been successfully generated with 6-view orthographic projections.
"""
# Optional export
export_path = None
if export_format and mesh_3d:
try:
tmpfile = tempfile.NamedTemporaryFile(suffix=f'.{export_format}', delete=False)
tmpname = tmpfile.name
tmpfile.close()
export_mesh(mesh_3d, tmpname)
export_path = tmpname
except Exception as e:
export_path = None
print(f"Export error: {e}")
return fig_3d, ortho_views, summary, export_path
except Exception as e:
error_msg = f"Error generating CAD model: {str(e)}"
placeholder_fig = go.Figure()
placeholder_fig.add_annotation(text=error_msg, x=0.5, y=0.5, showarrow=False)
# Create error image
fig, ax = plt.subplots(figsize=(8, 4))
ax.text(0.5, 0.5, error_msg, ha='center', va='center', fontsize=12, color='red')
ax.set_xlim(0, 1)
ax.set_ylim(0, 1)
ax.axis('off')
buf = io.BytesIO()
plt.savefig(buf, format='png', dpi=150, bbox_inches='tight')
buf.seek(0)
error_img = Image.open(buf)
plt.close()
return placeholder_fig, error_img, error_msg, None
def process_plate_design(description):
"""Process plate description and generate outputs"""
try:
if not description.strip():
return None, "Please enter a description.", None
drawing = generate_3_view_drawings(description)
gcode = generate_gcode(description)
return drawing, gcode, "Plate design generated successfully!"
except Exception as e:
error_msg = f"Error generating plate design: {str(e)}"
return None, error_msg, None
def process_cfd_simulation(length, height, grid_x, grid_y, inlet_vel, density, viscosity,
obs_x1, obs_y1, obs_x2, obs_y2, max_iter):
"""Process CFD simulation with given parameters"""
try:
obstacle_params = None
if obs_x1 != 0 or obs_y1 != 0 or obs_x2 != 0 or obs_y2 != 0:
obstacle_params = (obs_x1, obs_y1, obs_x2, obs_y2)
result_img, message = run_cfd_simulation(
Lx=length, Ly=height, Nx=grid_x, Ny=grid_y,
inlet_velocity=inlet_vel, density=density, viscosity=viscosity,
obstacle_params=obstacle_params, max_iterations=max_iter
)
return result_img, message
except Exception as e:
error_msg = f"CFD simulation error: {str(e)}"
return None, error_msg
# =====================================================
# GRADIO INTERFACE
# =====================================================
def create_gradio_interface():
"""Create comprehensive Gradio interface"""
with gr.Blocks(title="Kelmoid Genesis LLM Prototype", theme=gr.themes.Soft()) as demo:
gr.Markdown("""
# 🔧 Kelmoid Genesis LLM Prototype
**AI-Powered CAD Engineering Suite for Design, Analysis, and Manufacturing**
This suite includes:
- 🎨 **Text-to-CAD Generator**: Create 3D models from natural language
- 📐 **2D Plate Designer**: Generate technical drawings and G-code
- 🌊 **CFD Simulator**: Computational fluid dynamics analysis
- 📋 **Orthographic Views**: Generate technical drawings from 3D models
""")
with gr.Tabs():
# =====================================================
# TAB 1: TEXT TO CAD
# =====================================================
with gr.TabItem("🎨 Text-to-CAD Generator"):
gr.Markdown("### Convert natural language descriptions into 3D CAD models")
with gr.Row():
with gr.Column(scale=2):
cad_prompt = gr.Textbox(
label="Design Prompt",
placeholder="e.g., 'Create a door width=900 height=2100 thickness=40 panels=2' or 'washer radius=20 thickness=3'",
lines=3
)
with gr.Row():
precision_choice = gr.Radio(
["High (parametric)", "Fast (approximate)"],
value="High (parametric)",
label="Precision Mode",
info="High uses CadQuery for accuracy, Fast uses Trimesh for speed"
)
export_format = gr.Dropdown(
["stl", "obj", "ply", "glb"],
value="stl",
label="Export Format"
)
grid_layout = gr.Dropdown(
["2x3", "3x2", "1x6", "6x1"],
value="2x3",
label="Orthographic Layout"
)
cad_generate_btn = gr.Button("🚀 Generate CAD Model", variant="primary", size="lg")
download_file = gr.File(label="Download CAD File", visible=False)
gr.Markdown("**Quick Examples:**")
with gr.Row():
gr.Button("Cube 20x20x20", size="sm").click(
lambda: "Create a cube with 20x20x20 dimensions",
outputs=cad_prompt
)
gr.Button("Cylinder r=10, h=15", size="sm").click(
lambda: "Design a cylinder with radius 10mm and height 15mm",
outputs=cad_prompt
)
gr.Button("Bearing OD=20, ID=10", size="sm").click(
lambda: "Make a bearing with outer diameter 20mm and inner diameter 10mm",
outputs=cad_prompt
)
gr.Button("L-Bracket 30x20x15", size="sm").click(
lambda: "Create an L-shaped bracket 30x20x15mm",
outputs=cad_prompt
)
with gr.Row():
gr.Button("Parametric Door", size="sm").click(
lambda: "Create parametric door width=900 height=2100 thickness=40 panels=2",
outputs=cad_prompt
)
gr.Button("Water Tank", size="sm").click(
lambda: "Design water tank diameter=1000 height=1200 wall_thickness=8",
outputs=cad_prompt
)
gr.Button("Precision Washer", size="sm").click(
lambda: "Create parametric washer outer_radius=25 inner_radius=10 thickness=3",
outputs=cad_prompt
)
gr.Button("Hex Nut M12", size="sm").click(
lambda: "Make parametric nut radius=12 thickness=10 hole_radius=6",
outputs=cad_prompt
)
with gr.Row():
with gr.Column():
cad_3d_output = gr.Plot(label="Interactive 3D Model")
with gr.Column():
cad_ortho_output = gr.Image(label="Orthographic Views", type="pil")
cad_summary_output = gr.Markdown(label="Generation Summary")
cad_generate_btn.click(
fn=process_text_to_cad,
inputs=[cad_prompt, precision_choice, export_format, grid_layout],
outputs=[cad_3d_output, cad_ortho_output, cad_summary_output, download_file]
)
# =====================================================
# TAB 2: 2D PLATE DESIGNER
# =====================================================
with gr.TabItem("📐 2D Plate Designer"):
gr.Markdown("### Generate technical drawings and G-code for 2D plates")
with gr.Row():
with gr.Column(scale=2):
plate_description = gr.Textbox(
lines=5,
label="Plate Description",
placeholder="e.g., A 100mm x 50mm plate with a 20mm diameter hole and a 30mm long and 10mm wide slot"
)
plate_generate_btn = gr.Button("📋 Generate Plate Design", variant="primary")
gr.Markdown("**Examples:**")
with gr.Column():
gr.Button("150x100mm plate with 25mm hole").click(
lambda: "A 150mm x 100mm plate with a 25mm diameter circular cutout",
outputs=plate_description
)
gr.Button("100x100mm plate with slot").click(
lambda: "A 100mm x 100mm plate with a 50mm long and 10mm wide slot",
outputs=plate_description
)
gr.Button("120x80mm plate with oval").click(
lambda: "A 120mm x 80mm plate with an oval hole 40mm long and 20mm wide",
outputs=plate_description
)
with gr.Row():
with gr.Column():
plate_drawing_output = gr.Image(label="3-View Technical Drawing", type="pil")
with gr.Column():
plate_gcode_output = gr.Code(label="Generated G-Code")
plate_status_output = gr.Textbox(label="Status")
plate_generate_btn.click(
fn=process_plate_design,
inputs=[plate_description],
outputs=[plate_drawing_output, plate_gcode_output, plate_status_output]
)
# =====================================================
# TAB 3: CFD SIMULATOR
# =====================================================
with gr.TabItem("🌊 kelmoid CFD Simulator"):
gr.Markdown("### Computational Fluid Dynamics Simulation")
with gr.Row():
with gr.Column(scale=1):
gr.Markdown("**Domain Parameters:**")
cfd_length = gr.Number(label="Channel Length (m)", value=2.0, minimum=0.1, maximum=10.0)
cfd_height = gr.Number(label="Channel Height (m)", value=1.0, minimum=0.1, maximum=5.0)
cfd_grid_x = gr.Number(label="Grid Points X", value=41, minimum=21, maximum=101)
cfd_grid_y = gr.Number(label="Grid Points Y", value=21, minimum=11, maximum=51)
gr.Markdown("**Flow Parameters:**")
cfd_inlet_vel = gr.Number(label="Inlet Velocity (m/s)", value=0.005, minimum=0.001, maximum=0.1)
cfd_density = gr.Number(label="Fluid Density (kg/m³)", value=1.0, minimum=0.1, maximum=10.0)
cfd_viscosity = gr.Number(label="Dynamic Viscosity (Pa·s)", value=0.05, minimum=0.001, maximum=1.0)
gr.Markdown("**Obstacle (optional):**")
cfd_obs_x1 = gr.Number(label="Obstacle X1", value=0.5, minimum=0.0, maximum=2.0)
cfd_obs_y1 = gr.Number(label="Obstacle Y1", value=0.2, minimum=0.0, maximum=1.0)
cfd_obs_x2 = gr.Number(label="Obstacle X2", value=0.7, minimum=0.0, maximum=2.0)
cfd_obs_y2 = gr.Number(label="Obstacle Y2", value=0.8, minimum=0.0, maximum=1.0)
cfd_max_iter = gr.Number(label="Max iterations", value=1000, minimum=100, maximum=5000)
cfd_simulate_btn = gr.Button("🌊 Run CFD Simulation", variant="primary")
with gr.Column(scale=2):
cfd_result_output = gr.Image(label="CFD Results", type="pil")
cfd_status_output = gr.Textbox(label="Simulation Status")
cfd_simulate_btn.click(
fn=process_cfd_simulation,
inputs=[cfd_length, cfd_height, cfd_grid_x, cfd_grid_y, cfd_inlet_vel,
cfd_density, cfd_viscosity, cfd_obs_x1, cfd_obs_y1, cfd_obs_x2,
cfd_obs_y2, cfd_max_iter],
outputs=[cfd_result_output, cfd_status_output]
)
gr.Markdown("""
---
### 📚 Usage Guide:
**🔧 Enhanced Text-to-CAD Generator:**
- **Basic Shapes**: cube, sphere, cylinder, cone, pyramid, torus, gear, plate, rod
- **Mechanical Parts**: bracket, washer, screw, bolt, nut, bearing, flange, pipe
- **Architectural Frames**: door frame, window frame, gypsum frame, drywall frame, water tank
- **Furniture Frames**: bed frame, table frame, chair frame, shelf frame, cabinet frame
- **Parametric Models**: parametric_door, parametric_window, parametric_washer, parametric_nut, parametric_bracket
- **Precision Modes**: High (CadQuery parametric) vs Fast (Trimesh approximate)
- **Key=Value Syntax**: Use `width=900 height=2100 thickness=40` for precise control
- **Export Formats**: STL, OBJ, PLY, GLB for 3D printing and CAD software
- **Dimension Keywords**: length, width, height, radius, diameter, thickness, depth, spacing, panels, frames
- **Colors**: red, blue, green, yellow, orange, purple, pink, brown, black, white, gray
**🎯 Pro Tips:**
- Use `parametric_` prefix for high-precision mechanical parts
- Include `panels=4` for doors, `wall_thickness=8` for tanks
- Try `NxMxP` patterns like `100x50x25` for quick dimensions
**2D Plate Designer:**
- Describe plates with dimensions like "100mm x 50mm"
- Add features: "20mm diameter hole", "30mm long and 10mm wide slot", "oval hole 40mm long and 20mm wide"
- Generates technical drawings and CNC G-code
**CFD Simulator:**
- Simulates fluid flow through channels with optional obstacles
- Adjust grid resolution for accuracy vs. speed
- Lower viscosity = higher Reynolds number = more turbulent flow
**🚀 Enhanced Features:**
- **CadQuery Integration**: Precise parametric CAD when available
- **Boolean Backend**: Advanced geometry operations with manifold3d
- **6-View Orthographics**: Professional engineering drawings
- **Export Support**: Direct download of STL/OBJ/PLY/GLB files
- **Key=Value Parsing**: `width=900 thickness=40` syntax support
**Note:** This application supports both CPU-based fast prototyping and precision parametric CAD modeling.
""")
return demo
# =====================================================
# MAIN EXECUTION
# =====================================================
if __name__ == "__main__":
demo = create_gradio_interface()
demo.launch(
share=True,
server_name="0.0.0.0",
server_port=7860,
show_error=True
) |