Easily turn the koma
thingiverse
This is a tool that helps you turn a begomma easily. Set the comas on it, wind up the string, and spin it around. It's great for working with kids too.
Download Model from thingiverse
With this file you will be able to print Easily turn the koma 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 Easily turn the koma.