A Roman dodecahedron or Gallo-Roman dodecahedron is a type of small hollow object made of copper alloy that has been cast into a regular dodecahedral shape with twelve flat pentagonal faces. Each face has a circular hole of varying diameter in the middle, the holes connecting to the hollow center, and each corner has a protruding knob.
A Roman dodecahedron or Gallo-Roman dodecahedron is a type of small hollow object made of copper alloy that has been cast into a regular dodecahedral shape with twelve flat pentagonal faces. Each face has a circular hole of varying diameter in the middle, the holes connecting to the hollow center, and each corner has a protruding knob.
Source: Wikipedia "Roman dodecahedron" · CC BY-SA 4.0
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