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Sphericon-based d12

by bliku

Sphericon-based d12 3d printed Transparent acrylic, sanded down and colored with green crayon.
Transparent acrylic, sanded down and colored with green crayon.
Sphericon-based d12 3d printed Transparent acrylic, sanded down and colored with green crayon.
Sphericon-based d12 3d printed Transparent acrylic, sanded down and colored with green crayon.
Sphericon-based d12 3d printed Transparent acrylic, sanded down and colored with green crayon
Sphericon-based d12 3d printed Transparent acrylic, sanded down and colored with green crayon
Sphericon-based d12 3d printed
Sphericon-based d12 3d printed

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  • 3D printed just for you.
  • Transparent Acrylic: Firm translucent plastic with a smooth surface and rubbery feel.
$28.00
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About this Product

An actual die based on the sphericon shape. It''s kind of weird because it doesn''t always land with a face upwards; some numbers are indicated landing point-upwards. There are smaller numbers around the relevant vertices to label those. I've worked on making those "smaller numbers" less small, at least on otherwise empty faces; they are now reasonably readable. Also, the numbering now not only has opposite faces adding to 13, but the value of a vertex (for those vertices that can land pointing up) is now equal to the sum of the values of the two numbered faces adjacent to it, or the difference between them if the sum would be greater than 12.

Odd though it may look, I think this die is actually completely fair. All of the faces are identical, the center of gravity is right in the middle, at exactly the same height (potential energy) no matter which face it is sitting on, and the energy to roll from one face to another is just the same for all faces, since it derives from the smooth-rolling sphericon. And in fact six dozen rolls of the die and a chi-square test show no cause at all to reject the hypothesis that this die is fair.
 

What's in the Box
INCM

Sphericon-based d12 in Transparent Acrylic
Width Height Depth
2.206 cm 2.656 cm 2.206 cm
This model is 3D Printed in Transparent Acrylic: Firm translucent plastic with a smooth surface and rubbery feel.
Model version 6 | Last updated on 06/03/2016

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Choose a Material

Metal

Raw Aluminum
Stainless Steel
OVERVIEW
  • 3D printed just for you.
  • Transparent Acrylic: Firm translucent plastic with a smooth surface and rubbery feel.
$28.00
Secure Checkout
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