Share Email Facebook Twitter LinkedIn Commands for Constructing 3D Solids and Surfaces from 2D Geometry 2013-04-10 Product Documentation Intermediate View Original These commands and system variables are used to create 3D solids and surfaces from 2D geometry such as lines and curves. Commands CONVTONURBS CVADD CVREBUILD CVREMOVE CVSHOW EXTRUDE LOFT REVOLVE SWEEP System Variables DELOBJ LOFTANG1 LOFTANG2 LOFTMAG1 LOFTMAG2 LOFTNORMALS LOFTPARAM SURFACEASSOCIATIVITY SURFACEMODELINGMODE