A subdivision of the sphere into 24 spherical triangles with angles 60°, 60°, 90°. Exhi...
A subdivision of the sphere into 48 spherical triangles with angles 45°, 60°, 90°. Exhi...
A grid of plane triangles: if we imagine to elongate the grid to infinity, the grid repres...
A grid of plane triangles: if we imagine to elongate the grid to infinity, the grid repres...
A grid of plane triangles: if we imagine to elongate the grid to infinity, the grid repres...
An example of pattern of type **m: it can be reproduced in a rectangular room of mirrors.T...
An example of pattern of type 3*3: it can be reproduced in a room of mirrors with the shap...
An example of pattern of type *632: it can be reproduced in a room of mirrors with the sha...
An example of pattern of type *442: it can be reproduced in a room of mirrors with the sha...
An example of pattern of type 4*2: it can be reproduced in a square room of mirrors, by pu...
