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Dome knob for Round shaft 12.0 mm - 4 sizes 25/30/36/44 mm, no supports

Dome knob for Round shaft 12.0 mm - 4 sizes 25/30/36/44 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 12 mm spindles on larger valves and feed screws. As with every round shaft: the grub screw holds, the bore only guides. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 25 mm | 23.6 mm | 5.9 cm³ | 7.5 g | | 30 mm | 23.6 mm | 8.1 cm³ | 10.3 g | | 36 mm | 23.8…

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#control knob#knob#dome knob#12mm shaft#valve#tap#radiator valve#control knob for potentiometer#cam switch#no supports#parametric#knurled replacement control knob

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