3d printed fit together rings
thingiverse
I made some stupidly simple snap together rings that you can fuse with hot air (or a lighter). https://tinkercad.com/things/9m1C0hPSDIF
Download Model from thingiverse
With this file you will be able to print 3d printed fit together rings 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 3d printed fit together rings.