Fig. 24From: Survey on computational 3D visual optical art designa Yue et al.[67] pre-prepared a fixed number and variety of sticks for the user; b Based on the input image, their algorithm automatically generates the arrangement of the sticks, and the user needs to manually assemble the sticks according to the results; c Once assembled, the device refracts light into the input image; d Top: the input image; bottom: the image on the screenBack to article page