Mushroom knob for Split shaft coarse, 18 teeth - 4 sizes 25/30/36/44 mm, no supports

A domed head on a slim neck - it sits in the palm rather than between the fingers. The neck carries the hub, so on thick shafts this form starts one size up. For the coarse split shaft with 18 teeth, 5.99 mm over the knurl. If your knob rocks on the shaft you have the fine 24-tooth type instead. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 25 mm | 15.6 mm | 3.2 cm³ | 4.1 g | | 30 mm | 18.6 mm | 4.7 cm³ | 6.0 g…

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