Hexagon knob for D-shaft 8.0 mm - 4 sizes 20/25/30/36 mm, no supports

Six flats instead of eight. Reads as a tool size and looks right next to anything held by hex screws. 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 | 3.1 cm³ | 3.9 g | | 25 mm | 19.6 mm | 4.9 cm³ | 6.2 g | | 30 mm | 19.6 mm | 6.6 cm³ | 8.3 g | | 36 mm | 20.2 mm | 7.3 cm³ | 9.2 g | Bore measured on the finished solid: 8.20 × 6.6…

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