An octahedron.
There are 257 distinct convex octahedra.
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A cuboid.
L-Shaped Prism & Hexagonal Pyramid
okay here is the difrence a cuboid is a shape that is 3D and has eight faces a cylinder however is a 3D shape but it only has 2 faces the top and the bottom face
The only regular 3D shapes I can think of with 5 faces are the square-based pyramid and the triangular prism (which is shaped like a Toblerone bar).
Six faces