Doohickey
thingiverse
It's a little doohickey you can use to test supports. Scale it to your needs
Download Model from thingiverse
With this file you will be able to print Doohickey 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 Doohickey .