Ribbed knob for Square 6.0 mm - 4 sizes 20/25/30/36 mm, no supports

Fourteen deep flutes. Grips with oily or gloved fingers, which is why it belongs on machines rather than on a desk. For 6 mm square spindles, the size used on cam switches. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 20 mm | 16.6 mm | 3.5 cm³ | 4.5 g | | 25 mm | 16.6 mm | 4.7 cm³ | 5.9 g | | 30 mm | 19.8 mm | 6.8 cm³ | 8.6 g | | 36 mm | 23.8 mm | 8.8 cm³ | 11.1 g | Bore measured on the finished solid: 6.20 × 6…

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