Features

• hole spacing is 10 mm
• some random radii are on the outside
• little cone as a centerpoint
• biggest circle fits on a A4 paper

Usage

• select one hole as center point, fixate with a pen
• select another hole create a circle
• V2  has holes 2.5 mm, contains a little cone on the round part. which could be used a centerpoint
  
  → have the cone face the paper and press from the other side. Then use a hole to draw a circle. 
• V3 has more chamfer and a hole on the other side of the cone to make it easier to find the cone. 

fun Add on: select different colored pencils and then draw alternating circles. 

Remix: 

From here: Onshape