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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 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 100 x 72 mm bar-soap dish with a 3 mm sloped floor, five lengthwise ribs that keep the bar up out of the water, and a spout notch with a flat drip tongue that sends runoff into the sink instead of onto the counter.
A two-compartment caddy that sits beside the faucet to hold a sponge and scrub brush separately, with slotted drain holes in the bottom so water runs out instead of pooling. Fits a standard sponge; overall footprint 100 x 70 x 45 mm.