It is not a 3D shape.
It depends on the 3d shape.
a pyramid is a 3D shape :)
what 3d shape is a tyre
is a square a 3d shape
Paper is a 3D object.
A heptagon is not a 3D shape. It is a seven sided shape. It could be designed on 3D software if necessary.
A shape in 3D is a polygon. Poly=many and gon=shape.
Many 3d shapes have a corner.
A 3d shape can have infinite sides
The Fujifilm FinePix Real 3D W3 Camera takes 3D videos that you can view in 3d on your camera's screen or digitlally transfer to other devices.