Talk:Disdyakis dodecahedron

Dihedral Angle
The dihedral angle of 143° 7' 48" is wrong, if that means the angle between to faces: it is ≈ 155,08° (directly measured on a 3D-model in CATIA). See also the formula for "Flächenwinkel" in Hexakisoktaeder (german) --92.196.27.165 (talk) 19:16, 13 October 2009 (UTC)


 * Thanks! I went to my source (Williams) and listed as 155° 4' 56". It looks like 143d7'48" was incorrectly used from the tetrakis hexahedron. Tom Ruen (talk) 19:26, 13 October 2009 (UTC)

informality

 * It looks a bit like an inflated rhombic dodecahedron—if one replaces each face of the rhombic dodecahedron with a single vertex and four triangles in a regular fashion one ends up with a disdyakis dodecahedron.

I'd like to replace this with


 * It can be constructed by adding a low pyramid to each face of a rhombic dodecahedron

but is that accurate? Are the appropriate edges coplanar? —Tamfang (talk) 06:00, 5 March 2011 (UTC)


 * It's a bit late for an answer, but you can see that this is not accurate, by comparing these two images. See also here. --Watchduck (quack) 22:03, 15 November 2020 (UTC)

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Cartesian coordinates
The cartesian coordinates given in the article can be simplified by noting that sqrt(27+18sqrt(2)) equals 3+3sqrt(2). 2A02:810B:1120:7FC:9940:77A2:2A1:D90 (talk) 06:29, 29 June 2023 (UTC)