Tetrahedron
Tetrahedron – Is a solid shape of 4 triangles.
Tetchy about head room (tetrahedron) wouldn’t you be if you had a ceiling like this.
Example 1
The most you can see of a tetrahedron is three sides at once.
Example 2
A tetrahedron placed so you can only see two faces.
Example 3
A tetrahedron viewed from above.
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