Rail Guide
thingiverse
Rail guide for extruded aluminum rails. Designed this because the others I've downloaded from here have all been way too large and tight. This one is loose enough to slide in smoothly yet tight enough not to wobble around.
Download Model from thingiverse
With this file you will be able to print Rail Guide 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 Rail Guide.