Extrusion is an operation that consists in creating a mesh from a shape moved along a path.

That operation is particularly well suited for roads, pipelines, pillars…

Extrusion can also be applied to a multishape.

Special options are available to influence the way the mesh is created :

Lathe is an operation that takes a shape and rotates it around Y-axis to produce a mesh.

Lathe can also be restricted to a given angle range.