Add gopro_mount.scad with:
- Standard GoPro 3-prong interface on top for HERO 5+ compatibility
- T-slot 2020 clamp with M3 thumbscrew retention (no tools required)
- Tilt mechanism: 0-90° with 15° detent angles (7 positions)
- Integrated T-nut slides into rail groove
- Rotation axis via M5 hinge pin with index-hole angle locking
- Design supports flat-face-down printing, no supports needed
Includes comprehensive BOM with:
- Part specifications for base clamp and camera bracket
- Fastener list and torque specs
- Step-by-step assembly instructions
- Tilt angle reference guide
- Post-print finishing notes
- Cable management guidance
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>