DIN rail caps
thingiverse
Make sure to print on the side to avoid supports. This is based off of Christian P's design. Also please be aware every DIN rail is slightly different, so you may need to modify them to fit your rails
Download Model from thingiverse
With this file you will be able to print DIN rail caps 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 DIN rail caps.