plane joiners
thingiverse
These are parts printed in TPU that slide over 3mm thick panels to join them together. They are quite strong when stacked up along long edges such as for an enclosure.
Download Model from thingiverse
With this file you will be able to print plane joiners 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 plane joiners.