![100 Sided Die: Black Opaque with Yellow 100 Sided Die: Black Opaque with Yellow](https://cdn11.bigcommerce.com/s-hpjdo4362x/images/stencil/300x300/products/8061/8652/Screenshot_2020-12-27D100-BlackOpaque_YellowInk_540x__24280.1660769878.jpg?c=1)
A 100 sided die, or D100, invented by Lou Zocci in 1985 is sometimes called Zocchihedron or "Zocchi's Golfball". Rather than being a polyhedron, it is more like a ball with 100 flattened planes and is designed to handle percentage rolls in games, particularly in role-playing games.