Triangular knob for Round shaft 4.0 mm - 4 sizes 20/25/30/36 mm, no supports

Three soft lobes in a constant-width silhouette. Fills the hand without standing out from the panel the way a star does. 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 | |---|---|---|---| | 20 mm | 13.6 mm | 2.2 cm³ | 2.8 g | | 25 mm | 13.6 mm | 3.4 cm³ | 4.3 g | | 30 mm | 15.6 mm | 5.2 cm³ | 6.5 g | | 36 mm | 18.7 mm | 7.4 cm³ | 9.3 g | Bore measured on the finished solid: 4.20 × 4.20…

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