Share Email Facebook Twitter LinkedIn To Convert One or More Surfaces to Solids 2013-04-10 Product Documentation Intermediate View Original Click Home tabSolid Editing panelThicken.At the Command prompt, enter THICKEN. Select the surfaces you want to thicken. Press Enter. Specify a thickness for the solid. Press Enter. Related Tasks To Convert Objects With Thickness to Extruded Solids To Convert Contiguous Surfaces That Enclose a Volume to a 3D Solid Object To Convert a Mesh Object to a 3D Solid Related References Commands for Converting Objects to 3D Solids Related Concepts About Creating 3D Solids From Objects