Chocolate has got to be one of the worst choices as a printing medium. It’s extremely fussy when it comes to melting point, and even in the right state the flow of the material is not going to play nicely with high-resolution designs. With this in mind, we applaud the progress the student team from Carnegie Mellon University has made with WonkaBot, their chocolate extrusion printer.
Unlike the syringe-based paste extruder from last month, this offering uses an auger to push chocolate through a heated printer head. They’re using it to print designs on graham crackers. We love the UI they came up with for the task. It uses a virtual graham cracker as a canvas on your laptop and allows you to use the touchpad or mouse to draw your design. That input is then converted to g-code and sent to the CNC machine for printing. See it in action after the break.
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