Drawing compass

Drawing compass, for drawing a circles and arcs. For different pens and markers.

Used material
- aluminum square tube profile 10x10 mm, length depends on your using. I use 45 cm.

- 2x M3 nuts
- 2x M3 screws, length 24mm, hexagonal head

- 2x M4 nuts
- 2xM4 screws, length 45 mm, hexagonal head