Butterfly Pencil
thingiverse
The Butterfly Pencil takes the motion of a regular butterfly knife and applies it to a pencil giving you the coolest pencil in town.
Download Model from thingiverse
With this file you will be able to print Butterfly Pencil 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 Pencil.