This is a mold that you can use to make chocolate bunnies. With this mold I will be able to make my nieces vegan bunnies for Easter, something that can be hard to find.
If you want just an ear make http://www.thingiverse.com/thing:17391Instructions
Print both sides and brush them with some acetone abs mixture. You can use rubber bands or tape to hold the pieces together. After tempering your chocolate fill with chocolate and let harden. Carefully remove bunny from the mold and enjoy.
For tips on working with chocolate