Projection

Graphical projection is a protocol by which an image of a three-dimensional object is projected onto a planar surface without the aid of mathematical calculation, used in technical drawing

Cube projected on cube 正方體對本身的投影

Cube projected on Regular Octahedron 正方體對正八面體的投影

Cube projected on regular dodecahedron 正方體對正十二面體的投影

Cube projected on trapezoidal icositetrahedron 正方體對鳶形二十四面體的投影

Cube projected on great rhombicuboctahedron 正方體對大斜方截半立方體的投影