Circle helper target stencil

After I published my last project I got a request to make a circle helper for making targets on A4 pages. That's why I have on one side holes for 1" 3" 5" 7" diameter circles. But then I thought why not to expand it to make a bit more use of it.There is a center line so you can make circle graphs.The other side has holes after every cm.There are small circles on the rim every 5 degrees.The holes are 4mm diameter so you can use markers, but normal pens and pencils are fine too.You can use it on a