Compound four tetrahedra

Art. Lebedev Studio has...

Is it possible to make up an icosahedron using more simple polyhedra?

What does the dodecahedron and icosahedron have in common?

Architects have used the elements of polyhedra in designing their constructions since ancient...

The founders of the town called Mirniy, situated in Russia in Arkhangelsk region, put an image of...

Architectural masterpieces located in different parts of the world reflect the human soul. Secret...

(challenging task called “a star”)