U+1CD10 "𜴐" Block Octant-45 Unicode Character

U+1CD10 "𜴐" Block Octant-45 is a symbol encoded in the Unicode Standard under the Supplementary Multilingual Plane, specifically within the block known as "Octant-45," which is a set of geometric and decorative shapes that are part of a larger system for representing octant and quadrant patterns. This character is designed to depict a filled or solid block occupying one of the eight possible octant positions within a square grid, typically used in technical diagrams, puzzle design, or early computer graphics to create pixelated or tiling patterns. Its inclusion in Unicode ensures consistent representation across digital platforms, allowing for the reproduction of grid-based visual elements without reliance on custom fonts or images.