Net of a cube (exercises)

Not all nets consisting of 6 congruent squares are foldable into...

Nets of a cuboid (exercises)

This animation demonstrates the different nets of a cuboid and...

Grouping of solids 1

This animation demonstrates various groups of solids through examples.

Cuboid (exercises)

Edges, diagonals and faces of a cuboid can be identified by its...

Volume of spheres (demonstration)

The sum of the volume of the ´tetrahedrons´ gives an approximation...

Building shapes (one colour)

Build 3D shapes from unit cubes with the help of several views.

Grouping of solids 2

This animation demonstrates various groups of solids through examples.

Császár polyhedron

The Császár polyhedron is a nonconvex polyhedron with 14...

Grouping of solids 3

This animation demonstrates various groups of solids through examples.

Grouping of solids 4

This animation demonstrates various groups of solids through examples.

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