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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 print-in-place rotary output stage for a NEMA 17 stepper joint: a Ø52 mm race bolts to the 31 mm square M3 faceplate pattern and sits over the 22 mm pilot boss, while a captured rotor clamps to the 5 mm shaft (Ø5.3 bore, M3 grub screw in a radial heat-set insert) and carries the arm on four M3 heat-set bosses in a 16 mm square. The printed race takes the radial and moment load that would otherwise destroy the motor's own bearings; total height 25.5 mm, two pieces, no assembly.
A standoff bridge that suspends a 40 mm fan directly over a Raspberry Pi 4B / 3B+, with a 32 mm shrouded duct collar aiming the air at the SoC instead of letting it spill sideways. 74 x 64 mm plate on four 18 mm legs that clear the USB/Ethernet stack, 58 x 49 mm M2.5 board pattern with captured nuts at the board end, 32 mm square M3 fan pattern, plus side exhaust vents and a 26 x 4.5 mm slot for GPIO ribbon or camera flex.
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.
A vibration-isolating NEMA 17 motor mount: the motor bolts to a floating 46 mm plate (31 mm square M3 pattern, 22.5 mm pilot-boss bore) that is joined to a 76 x 76 mm outer frame only by four Z-shaped flexure beams, so motor buzz never reaches the chassis or the gyro. The frame bolts down with four M3 screws on a 68 mm cross pattern; print it as shown (flat, no supports) and flip it in use so the motor plate floats 6 mm clear of the chassis, leaving room for the motor screw heads.
A printed beam-flexure shaft coupler that joins a 5 mm stepper shaft (NEMA 17) to an 8 mm T8 leadscrew, with three 60°-indexed relief slots so it absorbs misalignment instead of binding the nut. 20 mm OD x 44 mm long, 5.3 mm and 8.6 mm bores, four M3 self-tapping grub screws (two per hub at 90°).
A 60 mm OD × 18 mm wide spoked drive wheel that slips onto any 5 mm motor shaft (NEMA 17, 37 mm gearmotor) and locks with an M3 set screw threaded into the 6.3 mm hub wall. The 8 mm × 2.5 mm rim groove seats a #64 rubber band as a tire, and 24 scallops in the flanges give traction if you run it bare — replaces the hub-and-tire set nobody stocks for one-off robot builds.
A 110 x 62 mm vented backplate for a Raspberry Pi 4B / 3B+ with four 5 mm standoffs on the 58 x 49 mm bolt pattern (2.9 mm bores for M2.5 screws), edge stiffening ribs, two keyhole slots that drop over #8 wall screws, an M4 lock hole at the bottom, and a zip-tie bridge for power-cable strain relief. Five long vent slots keep air moving under the board and cut print time.
An L-bracket that mounts a NEMA 17 stepper to 2020 aluminium extrusion: 54 x 40 mm base with two M5 T-nut holes on 20 mm centres, and a 54 x 50 mm vertical face carrying the 31 mm square M3 bolt pattern plus a 22.6 mm pilot bore for the motor's centring boss. Twin 5 mm gussets carry motor torque in the strong XY direction and sit outboard of the bolt heads so a hex driver still reaches all four screws; a pair of 6 x 3 mm slots above the bore takes a cable tie for the motor lead.
A ground stake with a tapered funnel socket that grips 12 oz cans, bottles and tapered party cups so drinks stay upright in sand, grass or dirt. 148 mm tall with four grip ribs at the rim for pushing it in by hand.