A sphere.
If it is a an hexagonal prism then it will have 12 vertices
cube
A sphere is not a 3dshape
A sphere for example.
How about a sphere or a cylinder
polyhedron
A sphere...
retangle
There is no limit to the number of vertices nor edges.
That 3D shape is called triangular pyramid.
A 3D star is not a standard shape. You can easily add another point.