Keywords: Multistability.svg SVG based on en Image Multistability jpg The vase/face image is the result of running the potrace tracing program on the original The cube is hand made I relinquish any and all copyright claims I might have releasing it into the public domain The original image was already listed as being in the public domain en wikipedia 2007-06-10 Alan De Smet wikipedia en Alan De Smet original upload log page en wikipedia Multistability svg 2007-06-10 04 08 Alan De Smet 744×313×0 5576 bytes <nowiki>SVG based on Image Multistability jpg The vase/face image is the result of running the potrace tracing program on the original The cube is hand made I relinquish any and all copyright claims I might have releasing it into the public domain T</nowiki> Gestalt Face or vase Necker cubes |