Rock Tumbler/Sea Glass Polisher/No Screws/Supports

A clean, minimal rock tumbler designed for simplicity and reliability. No screws anywhere in the build, parts snap and press-fit together with precise tolerances. The included 3MF file is pre-configured for the Bambu Lab A1, open, slice, print.

Files included :

• 4 STL files (any FDM printer)
• 1 3MF file ready for Bambu Lab A1

Parts to print (7 total) :

• Side frame × 2
• Drive shaft with integrated gear × 2
• Support rod × 2
• Motor pinion × 1

No supports needed.

Hardware to buy separately :

• TYC-50 CA 220-240V 15-18RPM 4W motor (~€14.99 — https://www.amazon.fr/dp/B01CHZEDPS)
• 4 × 608ZZ bearings (~€5)
• A cylindrical airtight tin can (⌀65–120mm)
• A mains cable

Recommended print settings :

• Material: PETG
• Frames & support rods: 15% gyroid infill, 4 walls
• Drive shafts: 20% gyroid infill, 4 walls
• Motor pinion: 20% gyroid infill, 5 walls