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Heads up: many models on this page are AI-generated or uploaded untested. They may be misconfigured for the intended application — check the dimensions and tolerances, and verify or edit the model before printing or relying on it.
A four-link cable drag chain with an integrated M3 mounting foot, printed fully assembled — no pins, no clips, no post-assembly. Each 32 mm link carries an 11 mm wide x 13 mm tall cable channel and an arc-slot bend limiter that stops the chain dead straight and allows 35 deg of bend, so the top run won't sag. Overall 170 x 29 x 16 mm; the foot takes two M3 screws on a 19 mm spacing.
A 62 mm square, 19 mm tall adapter that lets a NEMA 17 stepper bolt into a machine face drilled for NEMA 23 — the base carries the 47.14 mm M5 pattern, the raised Ø52 tower carries the 31 mm M3 pattern with a 22.4 mm pilot register for the motor's centring boss. The hollow Ø30 core clears a shaft coupler, a 14 mm side window gives Allen-key access to the coupler set screw, and counterbores in the base bottom fully recess the four M3x20 motor screws so the adapter still seats flat.
A stackable 96 x 84 x 28 mm deck for Raspberry Pi 4B / 3B+ cluster builds: each board bolts to four 6 mm standoffs on the verified 58 x 49 mm pattern with 2.9 mm holes for M2.5 screws, and the 14 mm corner posts peg into the socket of the deck above for a 28 mm stack pitch (16 mm of free air over each board for a HAT or fan). Three large windows give vertical airflow, plus two 4 mm cable-tie slots and two M3 clearance holes so the bottom deck can be screwed to a wall or panel.