x-acto cover
thingiverse
Found a lost x-acto knife cover by using a replicator, which printed a replacement at 5% infill with a raft for support. =)
Download Model from thingiverse
With this file you will be able to print x-acto cover 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 x-acto cover.