Star knob with hex nut pocket M4 - clamping knob, 4 sizes 25/30/36/44 mm, no supports

Five soft lobes. The shape you reach for when a knob has to be turned hard but must not cut into the hand. Takes a DIN 934 hex nut M4 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. M4 is what most printer beds, carriage plates and small fixtures use. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 25 mm | 12.5…

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