Pinback Pin Back Button Back
thingiverse
This is the back to a circular pinback button. It was made to customize to most size circles. All you need to do is design the front of your button and glue the 2 together. Designed to fit most normal to large size safety pins so that they snap into place.
Download Model from thingiverse
With this file you will be able to print Pinback Pin Back Button Back 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 Pinback Pin Back Button Back.