Man......it's been a while. Well any-who, Papyrus is the biggest bro ever. COOOOOOOOOOOOOOL DUUUUUUUDE!!!!!!!!
In case you don't know him, just visit the wiki page! BUT THERE IS A BUTT LOAD OF SPOILERS http://undertale.wikia.com/wiki/Papyrus
1. Click on the papercraft design image.
2. Make sure it has not been resized by your browser (you might need to click the image again).
3. Print using your browser's Print function.