Mark Shoulson


3D modeler

clsn commented on Meissner Tetrahedra by clsn
November 28, 2016
Meissner Tetrahedra
clsn @helmkyny, sent you a message with a link.
Check out this cool product! - Penrose Mezuzah (fat rhomb)
Check out this cool product! - New Hollow d60
Check out this cool product! - Sphericon-based d12: hollow
Check out this cool product! - -- I re-priced a lot of dice and added new materials; many of them are cheaper now. New hollow d48
clsn commented on Pseudo-icositetrahedron - d24 - Hollow by clsn
May 11, 2015
Pseudo-icositetrahedron - d24 - Hollow
clsn @Dranorter Well, "identical sides" should include the nature of the corners and edges around them. You are correct that just having congruent faces isn't enough. But Catalan solids are "face-transitive", meaning that they're essentially symmetrical with respect to their faces: each face (and its bordering edges/vertices/neighboring faces) is indistinguishable from the others, and that's really what you need to be a fair die (well, a sufficient but not necessary condition; see loki3's lovely counterexample
clsn commented on QuarterCard by mebruhn2
February 4, 2015
clsn It does work and is actually pretty cool. I'm not all that organized to begin with, maybe it isn't as useful to me as it might be to others, but it is fun to carry around and know you have $1.50 in quarters just in case...


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