CNC cake decorator

The AutoFrost CNC cake decorator is the result of a student project a Olin College of Engineering. [Tara Krishnan] and her classmates designed and built the hardware, as well as a Python interface that is used for drawing the design you want printed in frosting. The X and Y axes are controlled by stepper motors, with manual adjustments for the Z axis. The software has setting for the size of the cake, making it a bit more versatile than the last mechanized decorator we looked at. The GUI also allows for multiple colors which are applied one at a time, with the machine pausing for an operator to switch out the colored frosting container. All in all a nice build, but the next rendition should look to get rid of that second Arduino. We can’t think the code is complex enough to warrant two of them. Check out the demo video after the break.

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