Dished knob for D-shaft 8.0 mm - 4 sizes 20/25/30/36 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. For 8 mm shafts with a flat, as used on appliance and valve spindles. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 20 mm | 19.6 mm | 3.2 cm³ | 4.0 g | | 25 mm | 19.6 mm | 4.8 cm³ | 6.0 g | | 30 mm | 19.6 mm | 6.3 cm³ | 8.0 g | | 36 mm | 19.6 mm | 8.6 cm³ | 10.9 g | Bore measured on the finished solid:…

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