sl-mechanical a0d0c1211b feat: Add Issue #254 - CSI camera rain/sun shields
Add csi_rain_shield.scad with parametric visor-style protective
shields for all 4 Raspberry Pi CSI cameras (IMX219).

Features:
- Visor-style overhang (32mm forward extension) shields lens from
  rain and direct sunlight
- Drip edge prevents water from trickling back onto PCB
- Snap-fit tabs (4 per shield, no fasteners required)
- Ventilation slots prevent moisture condensation
- Optional transparent polycarbonate lens cover insert
- Radially symmetric design fits all 4 cameras

Includes comprehensive BOM with:
- Print settings and material specifications
- Assembly instructions for snap-fit installation
- Maintenance and troubleshooting guide
- Weather resistance performance notes
- Design variants for different conditions
- Post-print finishing recommendations

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2026-03-02 12:48:41 -05:00
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