Regular pentagonal dodecahedron  12 sided die
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Regular (pentagonal) dodecahedron / 12 sided die

This is an design for earrings or to gluelay on a surface 11 sides are hollow and one side isnt ...

similar models —

Regular (pentagonal) dodecahedron / 12 sided die alternatives
12 sides die
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20 Sided Dice
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12 gauge holder
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