Dished knob for Round shaft 3/16 in (4.7625 mm) - 4 sizes 16/20/25/30 mm, no supports

Low and dished, so the thumb sits in it rather than on it. Good where a knob must not stand proud of the panel. 3/16 inch is 4.7625 mm, not 4.8 - the bore is built on the exact conversion. A round shaft has no form fit, so the grub screw does the holding; tighten it onto the shaft, not onto the plastic around it. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 16 mm | 15.6 mm | 1.7 cm³ | 2.1 g | | 20 mm | 15.6 mm…

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