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-   -   Laser cutting in 3D (http://www.madshrimps.be/vbulletin/f22/laser-cutting-3d-89836/)

Stefan Mileschin 8th June 2012 08:02

Laser cutting in 3D
 
Everyone in the world suffers from some degree of functional fixedness, a proclivity to use tools only how they were meant to be use. A laser cutter, for example, is usually used to make flat, two-dimensional parts. [Seeker] broke out of this cognitive lock when he decided to create an illuminated 3D object with a laser cutter and a dozen acrylic sheets.

[Seeker]‘s project is inspired by acrylic edge-lit LED signs. In these signs, a pattern is engraved on an acrylic sheet and a LED illuminates the panel from the side. When the light from the LED hits the engraving, it’s refracted and produces a wonderful colorful pattern.

To make a 3D version of an edge lit display, [Seeker] subtracted a 3D model of a virus from a cube in Sketchup. This resulted in a hollow cavity that would refract light. After slicing up the model of the 3D cube, [Seeker] sent the files over to the laser cutter to produce a few dozen custom panels. [Seeker] glued them together, put the entire assemblage in front of a LED light, and admired the beauty of his new laser cut 3D virus.

http://hackaday.com/2012/06/07/laser...8Hack+a+Day%29


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