Scope rail
thingiverse
In this task, you need to find and attach a lower rail in the setup. Make sure it aligns properly with the existing structure.
Download Model from thingiverse
With this file you will be able to print Scope rail 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 Scope rail.