The Rotary Engraver attachment is an add-on piece of hardware that can allow the laser cutter to engrave on round/cylindrical objects. This means the laser engraver is not limited to merely 2D surfaces and can work on items such as drinking glasses, rings, pens, etc.
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IamA GT Invention Studio Undergraduate Lab Instructor, AMA : r/gatech
Invention Studio @ Georgia Tech
Tool Showroom - Invention Studio @ Georgia Tech
Invention Studio @ Georgia Tech
Invention Studio @ Georgia Tech
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Invention Studio at Georgia Tech
Rotary Engraver - Invention Studio @ Georgia Tech
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Makerspaces College of Engineering
Laser Cutter Training Part 2: Maintenance and Cutting Procedures