It is not easy to visualize the effect of a rotation on the net of a die, without looking ...
It is not easy to visualize the effect of a rotation on the net of a die, without looking ...
It is not easy to visualize the effect of a rotation on the net of a die, without looking ...
A cube and 5 polyhedra that reproduce the cube when they are put in front of a mirror (the...
The table of the fractions of cube shows how to create the construction that reproduces th...
Two mirrors at a particular angle show the rotation axes of the cube: here we see two mirr...
Il cubo ha nove piani di simmetria: tre, come nella foto, paralleli a due facce opposte e ...
A cube in a square in Porto (Portugal). The vertical axis is the rotation axis of order 3 ...
A cube has nine symmetry planes: three planes which are parallel to a couple of opposite ...
The rotation of 180° around the line s that goes through the centres of opposite faces is...
