Improve 3D view to match reference drawings
Based on reference images in afbeeldingen/modellen/:
- dt9.png, dt10.png, door_type_4.jpg, samenstelling_beide.png
Changes for technical drawing aesthetic:
**Camera Improvements:**
- Position: [0, 1.2, 3.5] - More frontal, less perspective
- FOV: 35° (was 45°) - Less distortion
- Limited rotation: ±15° azimuth, near-horizontal polar
- Damping enabled for smooth movement
- Result: Flatter, more schematic view
**Profile Thickness (Match Reference Lines):**
- Stiles: 60mm (was 40mm) - Thicker vertical frames
- Rails: 40mm (was 20mm) - Thicker horizontal frames
- Depth: 60mm uniform - More prominent profiles
- Radius: 2mm (was 1mm) - Slightly more visible edges
- Result: Bold, visible frame lines like references
**Lighting (High Contrast):**
- Ambient: 0.8 (was 0.5) - Brighter overall
- Front key light: Straight on from [0,5,10]
- Intensity: 2.0 - Strong, even illumination
- Subtle side lights for minimal depth
- Result: Flat, technical drawing appearance
**Glass Material (White/Opaque):**
- Color: #f8f9fa (bright white)
- Transmission: 0.3 (was 1.0) - Much less transparent
- Opacity: 0.95 - Nearly opaque
- Result: White glass areas like reference drawings
**Visual Result:**
- Clear black frame lines on white glass
- Frontal view with minimal perspective
- Technical drawing aesthetic
- Matches dt9.png, door_type_4.jpg style
- User can see door design clearly
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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