Alt D8 Sphere Dice

Alt D8 Sphere Dice 3d printed Mathematical Art Dice Add a caption...
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Alt D8 Sphere Dice 3d printed Mathematical Art Dice with the underlying polyhedron
Alt D8 Sphere Dice 3d printed Mathematical Art Dice with the underlying polyhedron
with the underlying polyhedron
3d Model Viewer
Alt D8 Sphere Dice 3d printed Mathematical Art Dice Add a caption...
Alt D8 Sphere Dice 3d printed Mathematical Art Dice Add a caption...
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Alternative Truncated Sphere D8

This is another solution for the Truncated Sphere D8, different from the one based on a regular octahedron.

This die is inspired by the repulsion force polyhedra. In fact, the underlying polyhedron (not rounded) is a trapezohedron. It looks like the shape that can be obtained through this technique with 8 points repulsing each others.
But in this case, I calculated the positions of those points to have a maximal radius for the circles resulting from the intersection of this underlying polyhedron with a sphere. The result is a truncated sphere with 8 circular faces of same radius.

This die is made of a shell of 1.5mm that contains support material to make it heavier. The engraved numbers have a 0.75 mm depth.

More informations in this post.

Available Truncated Sphere Dice: D4, D6, D8, D9, D10, D%, D11, D12, D14, D15, D16, D17, D18, D20, D24, D32, D33
Alternative shapes: alt D8, 3-fold D10 (rounded), 3-fold D10 (pointed), 4-fold D10, 5-folded D10 (pointed)
Coming soon: D22, D50
Related dice: Concave D4, Concave D6, D4 Shell, D8 Shell.
cm: 2.394 w x 2.392 d x 2.258 h
in: 0.943 w x 0.942 d x 0.889 h

Comments

 
@rmahood Sorry, the rendering is correct (numbers on vertices), not the picture. This is an old picture: previously I was offering 3 kinds of numberings and among them the was this option, "numbers on the faces" (so you had to check under the die what the result was). I will remove it. Sorry again for the confusion.
February 6, 2014, 2:28 pm
The model doesn't look like the photo... which one is correct?
February 6, 2014, 1:40 pm
Thanks :) This one is based on a Tetragonal Trapezohedron: http://mathworld.wolfram.com/TetragonalTrapezohedron.html
July 14, 2012, 8:12 pm
Superb!
July 14, 2012, 7:57 pm
 
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