PlayCube

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The surface of these resin cubes are precision milled into optical contour to focus exact messages and graphics on a surface. Inspire by similar research, This method are capable of reproducing single characters, cursive words and even grey scale images. 

 

Light rays are maps onto target images to obtain a surface normal map. The normal map is then translate to the mill surface to refract light accordingly. You can download the definition and code of this project here.