Butterfly knife
thingiverse
People use these knives as replicas of genuine knives. They feature screw holes that need to be filled with screws. Once you insert the screws, your replica knife is ready to go.
Download Model from thingiverse
With this file you will be able to print Butterfly knife 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 Butterfly knife.