Rounded Platonic Dice

by pmoews, published

Rounded Platonic Dice by pmoews Sep 14, 2012
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Here are a set of Platonic dice. Five stl files and the five openSCAD programs that created them are provided. Each openSCAD program contains a module that makes a rounded Platonic solid. Variables are an overall scale factor and a radius for rounding. One of polymakers fonts, thing:13677, ArchitectsDaughter, was used to label the surfaces.

Dice are a popular topic on Thingiverse. A search using "dice" yielded nearly a hundred hits. Most of the dice have sharp edges but thing:29055 by KillerGardevoir is a nicely rounded set which rolls well. As the rounding radius of the Platonic dice is increased a point is reached where they resemble KillerGardevoir's dice. Further increases turn the Platonic dice into near spheres.


I printed the dice directly on the build platform with a modest amount of infill. They are small objects which print quickly.

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Any Ideas how to make the dice fairer? I printed a D20 and some numbers come up much more often. See http://www.thingiverse.com/make:316411

Rounded Platonic Dice
by Qgel

My daughter wants a set of 3D printed dice and these would be cool, but the numbers on the D8 and D20 are wrong. Opposite sides on a D20 should add up to 21 (like opposite sides on a regular die all add up to 7) and on a D8 they should add up to 9.

The STL build of the tetrahedron (d4) is HUGE without scaling. Pretty much guaranteed to be unfeasable for most applications of a 4-sided die...

Aug 11, 2014 - Modified Aug 11, 2014

This is really cool! if it's customisable, you could use these to print replacement or extra dice for a board game called Formula D which requires all of the dice in this thing. However they would need to be sharp edged, so I would like to ask if this is customisable? Also, would it be possible to make a dice design with more sides to accommodate the 6th gear dice (since it has more sides than any of the dice included)?

The D20 does not slice properly for me at all. It ends up a bit mangled.

<slic3r> Warning: The input file contains a hole near edge 118.246803,92.908241,18.946541-115.440201,99.771751,24.190769 (not manifold). You might want to repair it and retry, or to check the resulting G-code before printing anyway.</slic3r>

i made alot of these didnt notice no d10 :( i need alot of d10s

As far as I can tell, you need one of the latest development builds. I have tried the 2012.08.22 build, and gotten it to work, but it is very finicky and has also crashed a lot in the process.

Trying to run the dodecahedron scad running version 2011.12.30, I get "linear_extrude() is not defined for 3D child objects!". Any ideas?