The Pen of Doom
myminifactory
Dual Extrusion If you don't want to print the model in dual extrusion there is a design labeled DOOM The Pencil/Pen holes are 11mm diameter.
Download Model from myminifactory
With this file you will be able to print The Pen of Doom 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 The Pen of Doom.