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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-step sacrificial bleed block / pad spacer for hydraulic disc brakes: slide it into the empty caliper and stop at the thickest step that fits (9, 11, 13 or 15 mm) to hold the pistons fully retracted while you bleed or swap pads. 99 x 26 x 15 mm with 45-degree lead-in ramps on the nose and every riser, 1-4 dimples marking each step's thickness, and two 5.5 mm M5 holes on 10 mm centres in the handle so it hangs on a hook or screws to the toolbox lid.
A cable-tie-on bottle cage mount for bikes with no braze-on bosses: a 26 x 26 x 90 mm block with a 90-degree V groove that self-centres on round tubes from about 22 to 32 mm, and two M5 cage bolt bores on the standard 64 mm boss spacing with captured 8 mm hex nuts loaded from the side. Two 8 x 2.8 mm tunnels take 4.8 mm standard or 7.6 mm heavy-duty zip ties that wrap the tube and pull the groove down onto it.
A 60 mm one-piece carabiner whose gate is a built-in flexing spring arm — press it inward to hook on, and a capture nose stops it opening under load. Prints flat with no supports, no assembly, and no metal spring; sized for keys, water bottles, and bag straps.