peterpur's round Letter Opener is just one step away from being Pac-Man. Or Ms. PacMan, maybe?
NOTE: Settings and sizing matter for this one, due to the need to create a thin edge for cutting through envelope paper. You may have to modify this design to work with your printer and/or nozzle. The MakerHome link includes a link to the Tinkercad file that you can modify how you like.
Featured on Day 16 of MakerHome: http://makerhome.blogspot.com/2013/09/day-16-ms-pacman-letter-opener.html
This design and all associated pictures and files are licensed under the Creative Commons Attribution Non-Commercial Share Alike license. If you want to use designs, images, or files outside of the terms of this license, please email [email protected].