THE BASIC PRINCIPLES OF D20

at this time, these dice are only made by The Dice Lab, which might be section of their "Skew" dice set. The shape was selected as it is actually difficult to "skew" a regular icosahedron in a method that The form continues to be isohedral (mathematically honest). The Dice Lab's Skew d20 When an total is to be subtracted, the notation is nds-c or