Knurled knob for Round shaft 3.0 mm - 4 sizes 13/16/20/25 mm, no supports

Fine longitudinal knurling and a slightly domed top. The everyday knob: enough grip for a fingertip, quiet enough for a front panel. For plain 3 mm shafts on trimmers and miniature pots. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 13 mm | 11.6 mm | 1.0 cm³ | 1.3 g | | 16 mm | 11.6 mm | 1.7 cm³ | 2.1 g | | 20 mm | 12.0 mm | 2.4 cm³ | 3.1 g | | 25 mm | 15.0 mm | 4.0 cm³ | 5.1 g | Bore measured on the finished so…

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