Six Polyhedra with 240 Equilateral Triangular Faces

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solid
1
2
3
4
5
6
number of units
12
This Demonstration shows six polyhedra with icosahedral symmetry, each having 240 faces that are equilateral triangles. The faces are built up from 12 similar polyhedral units with pentagonal bases.

External Links

Deltahedron (Wolfram MathWorld)
Approximate Rhombic Icosahedron
Approximate Spikey
Rhombic 210-hedron
Exact Coordinates of Golden Rhombic Solids

Permanent Citation

Izidor Hafner
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​"Six Polyhedra with 240 Equilateral Triangular Faces"​
​http://demonstrations.wolfram.com/SixPolyhedraWith240EquilateralTriangularFaces/​
​Wolfram Demonstrations Project​
​Published: February 4, 2019