Simple Drafting Compass XL
thingiverse
I created a larger compass because the ones I had were too small to draw precise circles, so I designed this one myself. The long pieces go through the center piece, which might need some sanding depending on your printer's tolerances since it came out perfectly for mine. You can use an M4 or M5 hex bolt for the lockdown and a wood screw for the end pointer. Insert a flat drafting pencil in one end or another marker. Set it to the desired length and start drawing circles!
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