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Posts Tagged ‘illusion’

“Rude” gestalt optical illusions

“Rude” gestalt optical illusions

Look closely. This isn't your dad's rabbit-duck illusion. (more…)

3D printing’s first copyright complaint goes away, but things are just getting started

3D printing’s first copyright complaint goes away, but things are just getting started

More news on the first-ever DMCA threat for violating a copyright in a 3D object -- Ulrich Schwanitz has rescinded his complaint and will release his shape into the public domain today. Here's a summary for those of you who missed it: last week, Ulrich Schwanitz figured out how to print the "impossible" Penrose Triangle," a well-known [...]