How are these not the dominant form for four sided dice? : r

Four Dimensional Dice Up To Twenty Sides

How are these not the dominant form for four sided dice? : r /DungeonsAndDragons

Dice -- from Wolfram MathWorld

Argonaute proteins: functional insights and emerging roles

HT-SELEX-based identification of binding pre-miRNA hairpin-motif for small molecules - ScienceDirect

How are these not the dominant form for four sided dice? : r /DungeonsAndDragons

Comparative Biochemical Studies of Disease-Associated Human Dicer Mutations on Processing of a Pre-microRNA and snoRNA

How are these not the dominant form for four sided dice? : r /DungeonsAndDragons

Dice -- from Wolfram MathWorld

Why do 4-sided dice have 4 numbers on each side? - Quora

Craps - Wikipedia