These could be called solids.
There are lots of three dimensional shapes. Cubes, spheres, cylinders, cones, toroids, pyramids, helixes, the various polyhedrons..
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a polyhedron * * * * * That is only if it is bounded by plane faces. A sphere, for example, is a three dimensional shape but is not a polyhedron: it is a solid shape.
decahedron
triacontahedron
An oval is two-dimensional. An ovoid is a three-dimensional shape based on an oval - like an egg,
An egg-shaped, three-dimensional shape is an ovoid.