feat: parametric chassis frame design (bd-1iy5)
OpenSCAD parametric model for SaltyBot two-wheeled self-balancing robot chassis:
- 600mm wheelbase, 170mm hoverboard hub motor fork dropouts
- MAMBA F722S FC mount (30.5x30.5mm M3 pattern, 6mm nylon standoffs)
- Battery tray for 24V 4Ah pack (185x72x52mm) with strap slots + vent holes
- Jetson Nano B01 mount plate (58x58mm M3 pattern, 8mm standoffs)
- Front/rear bumper brackets with 22mm EMT conduit saddle clamps
- Longitudinal ribs, lightening holes, cable routing slots
- BOM (32 line items) and step-by-step assembly notes
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>