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When think of what a laser cutter can do you normally think of cutting things and etching surfaces. I never would have thought of making something 3D other than making notches that can link together. This video shows a technique that holds the material being worked over the main laser cutter bed using some stilts. Cuts are made in acrylic and since acrylic bends when heated the laser is used to slowly warm the material where it is needed to be bent. Since the work is sitting off the bed it can droop when heated. To see more information on this Laser Cutting 3D Objects method have a look here.