A projection is a 2 dimensional representation of a solid figure. See related link.
three
A scaled drawing (blueprint)
Plane figure
a solid
A photograph is a two dimensional representation of a real-life scene. A hologram is three a dimensional representation.
A map, painting, or photograph, are all two dimensional representatins of three dimensional objects
a geographical map
the difference between a two dimensional shape and and a solid is that a two dimensional shape is plane and a solid you can see the whole shape a the inside.
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A contour map, possibly.
A net.
A polyhedron is a three-dimensional object, not two-dimensional.