A grid of spherical triangles
A subdivision of the sphere into 120 spherical triangles with angles 36°, 60°, 90°.
From the exhibition Simetria, jogos de espelhos, developed by the Portuguese association Atractor which itself was based on our Simmetria, giochi di specchi - Symmetry, playing with mirrors and inaugurated in Porto in 2002.
The image belongs to the sections...:
Simetria, jogos de espelhos in Porto (From the exhibitions of matematita)
Other matters (From "XlaTangente")
Spherical geometry (Other geometries)
The spheres (From the exhibitions of matematita)