Hexagon knob for Round shaft 6.35 mm (1/4 in) - 4 sizes 16/20/25/30 mm, no supports

Six flats instead of eight. Reads as a tool size and looks right next to anything held by hex screws. For plain 1/4 inch shafts, held by an M3 grub screw. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 16 mm | 17.6 mm | 2.0 cm³ | 2.6 g | | 20 mm | 17.6 mm | 2.9 cm³ | 3.6 g | | 25 mm | 17.6 mm | 4.5 cm³ | 5.7 g | | 30 mm | 17.6 mm | 5.2 cm³ | 6.7 g | Bore measured on the finished solid: 6.55 × 6.55 mm. ## The fitt…

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