CASTILLO Eyeglasses by Gotti. Color: Ash, Denim, Mocca, Sand, Cliff, Plum, Size: 55-18, Material: 3D Sintered, Collection: Gtti Dimension.. CASTILLO is made from 3D-printed polyamide. This is an ultra-lightweight and durable rectangular frame, enabling the wearer to feel at ease during daily use. Matte for a clean yet minimalist appearance, whereas the Swiss craftsmanship ensures durability along with precision fit within. These are decidedly good eyewear for those in pursuit of a modern, yet simple, stylish, and reliable option.