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D9 (9-sided die) Heptagonal Prism 3d printed
D9 (9-sided die) Heptagonal Prism 3d printed
D9 (9-sided die) Heptagonal Prism 3d printed

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D9 (9-sided die) Heptagonal Prism

  • 3D printed in White Strong & Flexible: White nylon plastic with a matte finish and slight grainy feel.
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Product Description

This heptagonal prism is designed so that the center of mass is the same height above the ground whether it lands on a rectangular face or heptagonal face. This does not work as a fair 9-sided die since the each heptagonal face has a higher probability of landing face down than any rectangular face.

You can label the heptagons so that the numbers are balanced about the mean. Ex: 1 and 9 on the heptagonal ends and 2 through 8 on the edges of the rectangles. This ensures that the average rolled value is 5. See also labeled version.
What's in the Box
D9 (9-sided die) Heptagonal Prism
White Strong & Flexible
1.46 cm
1.382 cm
1.496 cm

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