Sandwich crust remover/sealer. Great for making your own custom freezable sandwich. Peanut butter and Jelly PB & Raspberry/Blackberry preserves Ham & Cheese Grilled Cheese Pastries Gluten free bread PB&J Peanut Allergies - Sunbutter and Jelly Remix for mini-uncrustables - http://www.thingiverse.com/thing:251512 The top few layers on the cutter "blade" may be flimsy. I just peeled those layers off. Depending on the print material used, you may or may not have to do the same. Peanut butter on both sides of bread if freezing, otherwise the jelly will absorb into the bread. Cut first. Press & twist.