Optical Illusion Coaster

Enhance your tabletop with this drink coaster featuring a mesmerizing optical illusion known as the bulge or radial distortion illusion. This design, meticulously crafted in OpenSCAD, artfully arranges contrasting black and white squares to create the illusion of a curved or bulging surface, even though the coaster is completely flat. It's a functional piece that doubles as a conversation starter, intriguing guests with its eye-catching effect. The coaster measures 100 mm in diameter and is 3 mm thick, making it an ideal size for most beverage containers. The optical illusion is a classic example of geometric-optical illusions, where simple geometric patterns deceive the eye into perceiving depth and motion that aren't actually there. It's a perfect addition for enthusiasts of visual arts, optical illusions, or unique home décor items. For the sample prints, we've used Bambu Lab Matte Charcoal (11101) and Bambu Lab Matte Ivory White (11100) filaments to maximize the con