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Dome knob for Round shaft 8.0 mm - 4 sizes 20/25/30/36 mm, no supports

Dome knob for Round shaft 8.0 mm - 4 sizes 20/25/30/36 mm, no supports

AMPERELAB3D · Cults3D

$1,11CULTS PU - Private Use

A dome over a knurled band. The dome is deliberately flatter than a hemisphere: a true half-sphere would print at 65 degrees of overhang and need supports. For plain 8 mm shafts, held by an M4 grub screw. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 20 mm | 19.6 mm | 3.4 cm³ | 4.3 g | | 25 mm | 19.6 mm | 5.2 cm³ | 6.6 g | | 30 mm | 19.8 mm | 5.5 cm³ | 7.0 g | | 36 mm | 23.8 mm | 7.9 cm³ | 10.1 g | Bore measured…

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