Take a pencil, ruler, some tape, push pin and binder clips and you can make a pretty simple compass (circle drawer).
https://www.instructables.com/id/An-Accurate-Drafting-Compass-From-Office-Supplies/
Take a pencil, ruler, some tape, push pin and binder clips and you can make a pretty simple compass (circle drawer).
https://www.instructables.com/id/An-Accurate-Drafting-Compass-From-Office-Supplies/