Optical Illusion Heart Coaster

Inspired by an optical illusion created by Akiyoshi Kitaoka, these unique double sided drink coasters bring the illusion of a heart floating above a grid of lines into the physical world. The design, with its intricate texture and shading, transforms the classic black-and-white illusion into a striking 3D model. For the strongest illusion effect, use black, white, and gray filament, ensuring the gray is perfectly balanced between the black and white. To personalize the design, you can experiment with bold colors for the heart and the surrounding area while keeping the black-and-white grid for an illusion that remains both striking and effective. This is not just a simple graphic slapped onto a coaster—each element, from the precise texture and size of the tiles to the heart itself, has been meticulously modeled and tested to ensure the highest quality results. The design is printed on both sides of the coaster, so you can enjoy the crispness of the top surface or the smoothness of the