The ZePuzzles Master CTO is a premium, 3D-printed Master Corner-Turning Octahedron designed for the discerning puzzle collector and shape mod aficionado. Expertly crafted from durable PETG and enhanced with vibrant, 3D-printed tiles, this seven-layer marvel offers an exceptional tactile and visual experience. With its advanced turning mechanism and striking geometric form, the Master CTO is a must-have for enthusiasts seeking a challenging and unique addition to their puzzle arsenal.