Laser-Etching Photos On To Eggs

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CNC machines are every maker’s dream. Capable of churning out accurate parts from CAD designs with a minimum of manual labor, they’re a great tool to have in the workshop. Alternatively, you can use them for more entertaining pursuits. [Leo]’s project is one of the latter – etching greyscale photos on to eggs.

The first thing you’ll need is an egg-compatible CNC machine. The Eggbot is a popular option, else a fourth-axis on an existing machine can also do the job as in [Leo]’s case. Coupling the egg is a delicate task, for which some rubber paper rollers are salvaged from an old printer and put to work. Then, a laser needs to be fitted to the CNC head, and the egg depth mapped with a probe to ensure the entire etching is in focus. Then it’s simply a matter of loading up an image, and turning the greyscale data into the relevant G-code to burn it onto the egg.

Using eggs coated in black ink, the results [Leo] achieves are impressive. The eggs would make an amusing Easter gift, or serve as a great cheap way to teach students about CNC techniques. Obviously, eye protection is a must, and be sure to mount your laser securely to avoid any unintentional exposures. Video after the break.

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