Extrusion (InstanceTopic, 3)
From Hi.gher. Space
Extrusion is the simplest operation which creates an n+1-dimensional shape from an n-dimensional shape. Extruding a shape causes a hyperprism to be formed, of which the base is the original shape. The length of the new prism can be specified as an argument to the extrusion operation. If unspecified, a common default is to use the length of the largest cardinal side.