This is a potion bottle from the mod Alchemy++ Download it here: http://www.skydaz.com/alchemy-mod-installer-for-minecraft-1-6-2/ Use the letters to help you stick the "Stopper" in the correct place.
How to Print?
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.
