print/3mf/sand-table-v3-P1S.3mf: every part oriented for printing, PLA case
parts and PETG moving parts, supports only on the arm motor bracket, stronger
walls on the hub, carriage and brackets, solid counterweight. Slices on all
9 plates: about 23.5 h, 760 g PLA + 165 g PETG.
print/3mf/sand-table-v3-P1S-options.3mf: 12.5 mm sand ring, M2 switch mount.
print/tools/make_3mf.py builds both from the STLs with the Bambu Studio
command line (flattened system presets, fixed-up per-filament settings).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>