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Polygonal (2-d) shapes get their (not there) names from the number of sides; polyhedra (3-d) shapes get their names from the number of faces.The names of other shapes: circles, ellipses, torus, cardioid etc have different origins.
-hedra.
There are infinitely many 3-D shapes so it is not possible to name them individually.
3-d shapes are not made from 2-d shapes. 3-d shapes may have projections onto a plane that are 2-d.
it is called geometricly 3-d