It is easier to edit a complex solid shape than to edit wireframes and meshes. You create solids from one of the basic solid shapes: box, cone, cylinder, polysolid, pyramid, sphere, torus, or wedge.

A 3D shape with regular polygonal faces, meeting at equal angles, is a platonic solid. There are five platonic solids, the tetrahedron, cube, octahedron, dodecahedron and icosahedron. A prism is a ...

The atoms of a solid are strongly attracted to each other. Solids keep their shape because of these strong attractions. The atoms vibrate but do not move past each other.