Prusa I3-Box Fillament Guide
thingiverse
Center this little thing in the middle of the top plate. i used 3x 12 mm wood screws.
Download Model from thingiverse
With this file you will be able to print Prusa I3-Box Fillament 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 Prusa I3-Box Fillament Guide.