Circle helper target stencil
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Concentric circle drawing helper with a center line and on one side holes after every cm and the other side 1" 3" 5" 7"
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Gadgets
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
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 white board, might be good in the classroom also. You can make graphs or teach kids about electron shells or something like that.
NOTE: use some kind of oil in-between the two parts (I used vegetable oil from the kitchen), you can take it apart oil it and put the two parts together. I printed with PLA.
Elephants foot can be a problem, I recommend using a raft.
Check this:
Update added 03.09.22
- Indicators every 5 degrees
V1.1 available
Update added 04.09.22
- Magnet holes added on the corners 6 mm diameter 2 mm height
V 1.2 available