Radius Tool
thingiverse
This is a simple device designed to securely hold a standard pencil. It includes an adjustable string to ensure the perfect radius for drawing. The hexagonal shape allows you to draw along the centerline of your pencil's tip.
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.