Star knob for Round shaft 5/16 in (7.9375 mm) - 4 sizes 25/30/36/44 mm, no supports

Five soft lobes. The shape you reach for when a knob has to be turned hard but must not cut into the hand. 5/16 inch is 7.9375 mm. The nearest metric shaft is 8 mm, and a knob bored for 8 sits loose on this one - six hundredths sound like nothing until the knob wobbles. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 25 mm | 19.6 mm | 4.0 cm³ | 5.1 g | | 30 mm | 19.6 mm | 6.5 cm³ | 8.3 g | | 36 mm | 19.6 mm | 9.3…

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