Added: 3 years ago
From: shiqunzhang
Views: 1,426
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  • hi its me again norman, ive been in beijing lastweek nd i show to my grandpa about your work, he said may be u r from shanghai ..by the way may i know the mechanism of that tetrahedron???

  • they sound is so far off

  • Sweet puzzle! Why so big?

  • i think i know how to make it

  • WOW WTF PERFECT !!!!!

  • Edges-only Halpern-Meier Tetrahedron? Cool.

  • this is pretty awesome

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