Dome knob with hex nut pocket M5 - clamping knob, 4 sizes 20/25/30/36 mm, no supports

A dome over a knurled band. The dome is deliberately flatter than a hemisphere: a true half-sphere would print at 65 degrees of overhang and need supports. Takes a DIN 934 hex nut M5 from the back - the thread is steel, not printed plastic, so it survives being done up hard. The bolt runs right through, so its length does not matter. M5 is the T-slot size on 2020 and 3030 aluminium extrusion - the one you reach for most often on a printer or a CNC frame. ## Sizes in the download All 4 diameters…

♥ 0