It almost seems like Portal has spawned more fan created toys than any property outside of Nintendo, but this latest creation is certainly one of the most creative. Behold the Portal 2 Rubik's Companion Cube.
Rubiks Cube Solver Magic Cube – Apps on Google Play
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Rubiks Cube Stand #3DThursday #3DPrinting « Adafruit Industries
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Game Informer Reader Art Spotlight: Madalynn Baeza, age 12 Want
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Buy Simulator Rubik Cube - Microsoft Store
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Fan-made Rubik's companion cube is for science – Destructoid
I, Rubikcubist: 30 Twisted Works Of Rubik's Cube Art - WebUrbanist
Companion Rubik's Cube — Weasyl
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Rubiks Cube Primitive (8 vertices ) - Download Free 3D model by
World's most dexterous robot now solves Rubiks' cubes one handed