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Cake Cutting Robot made from LEGOs

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Robot Cake Cutter
Have you ever gone to slice a cake and ended up creating funky, uneven slices that weren’t as attractive as you’d hoped? Cutting a cake badly has happened to everyone at one time or another. Fortunately, it doesn’t take anything away from the taste of a cake, but using a gadget like the Mindstorm Cake Cutter would ensure that you get perfectly shaped cake slices, too. The mechanized cake cutter was built from Legos and uses a Mindstorm NXT processor, two touch sensors and three motors to do its work. The user simply enters the number of slices that they want to get from the cake, from 1 to infinity (although you would want to choose a number that would provide satisfying slices, of course), and the machine divides that cake into perfectly even slices. The “blade” is actually the lid of a can, which works like a pizza cutter to roll through the cake.

If you were to build on yourself, you might need to have a larger “knife” to cut through deeper layer cakes and you would definitely want to give the blade a spray with vegetable oil to help it slide through sticky frosting and make it easy to clean. A sharper blade (such as one that is actually from a pizza cutter) would let you cut pizzas and other, tougher foods. It would be fun to have some Jetsons-esque automation in the kitchen with a few robots to help out. Cake cutting might not seem like the most useful thing for a robot to do, but mixing and baking the cake is the fun part, so I would much rather have the robot help me out by cutting any number of perfect slices in my cake. That said, I don’t think I’m handy enough to build myself a cake cutting robot just yet, so I’ll stick to the old fashioned method of using knives for now!

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  • Cathy
    August 12, 2011

    Even with the shallow cutter, the robot could at least score the cake (or pizza) to give a guideline on how to cut the slices evenly.

    Very cool!

  • Nia
    August 13, 2011

    Wow, I wonder, what can’t Legos do. This machine is amazing, but I would need a bigger kitchen to put it to great use.

  • Olivia
    August 14, 2011

    I am not very good at cutting even slices of cake. This machine is amazing! Cake cutting is NOT a piece of cake. 🙂

  • pasquentmax
    December 27, 2011

    It’s just a similar copy of my original creation which I made in 2009. It’s just as windle to publish this video. You can see the original here:

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