Radius Tool
thingiverse
Just a quick tool to hold a standard pencil. Attach a string for the correct radius and draw away. The outer hex is set up for centerline of pencil point.
Download Model from thingiverse
With this file you will be able to print Radius Tool with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Radius Tool.