Two-wing knob for Round shaft 4.0 mm - 4 sizes 25/30/36/44 mm, no supports

Two opposed wings, the wing-nut shape. Thumb and forefinger and nothing else - the most torque per gram of plastic in this library. For plain 4 mm shafts, held by an M3 grub screw. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 25 mm | 13.6 mm | 2.3 cm³ | 2.9 g | | 30 mm | 15.0 mm | 3.6 cm³ | 4.6 g | | 36 mm | 18.0 mm | 5.6 cm³ | 7.2 g | | 44 mm | 22.0 mm | 9.3 cm³ | 11.9 g | Bore measured on the finished solid:…

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