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A regular square pyramid is a right pyramid with a square base and four triangular faces.
By varying the position of the light source, you can examine the shades projected onto...
Edges, diagonals and faces of a cube can be identified by its vertices.
This animation demonstrates various groups of solids through examples.
The Möbius strip and the Klein bottle are special two-dimensional surfaces with only one...
A sphere is the set of points which are all within the same distance from a given point...
An entertaining game about different views of spatial objects.
Entertaining and spectacular animation to practice orientation in space.