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ckochandClaude Opus 5.5 1400cc8afd Controller board: ESP32 + 2x StepStick carrier (v0.4), FluidNC config 
- KiCad project generated by pcb/tools (design, route, schematic, fab outputs).
- v0.4 fixes the v0.3 review findings: low-dropout 3.3 V regulator, OR'd 5 V
  supply, polyfuse, USB ESD protection, input clamps, ceramic decoupling at the
  drivers, A4988/DRV8825 jumper, ground stitching. DRC/ERC clean.
- v0.3 (as ordered) kept in pcb/archive/v0.3.
- FluidNC config.yaml for the board; rho hard limit on.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
 2026-11-01 13:40:23 -05:00
ckochandClaude Opus 5.5 c498882bbb Sand table v3: build fixes, bolted hub, counterweight, print guide 
- print/ reorganised: v1-original (first export), v2-current, the v2.1-v2.7 fixes
  found while building, and v3/ with every printed part.
- v3: deck screws you can reach, seam joints from outside, arm bolted straight
  to the hub, 6804 hub bearings with a 15 mm bore for connectors, clamp collar,
  counterweight, 12.5 mm sand ring for a raised floor, Uno turnaround plate.
- print/README.md: full v3 parts list, what changed and why, assembly order.
- docs/: diagrams for each change.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
 2026-11-01 13:40:23 -05:00
ckochandClaude Opus 5.5 370cb1c79c Sand table v2: printable design, STLs and notes 
12" polar kinetic sand table (motor-on-arm mechanism with slip ring).
- SolidCraft design + STEP assembly
- 25 print-ready STLs for a Bambu P1S, fits set from the fit-test coupon
  (shaft 8.1 mm, 608 pocket 22.2 mm)
- design notes: mechanism, dimensions, BOM, hardware, print orientation

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
 2026-10-22 12:08:52 -04:00