embroidery ring
thingiverse
This is a compact 2.76-inch embroidery ring, all you need to create it is an M3 fastener and screw.
Download Model from thingiverse
With this file you will be able to print embroidery ring 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 embroidery ring.