A parametric 3D-printable 5-lobe star knob for tightening bolts on drill jigs, camera rigs, woodworking fences, and guitar saddles. Dial in outer diameter, lobe count (4 / 5 / 6 / 8), through-hole size for M6 or your bolt of choice, boss dimensions, grip style, and captive-nut recess.
Prints head-down in FDM with 0.2 mm clearance.
Part of the 3D Printable Parametric Hardware collection on GrandpaCAD.
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