Share Email Facebook Twitter LinkedIn To Convert One or More Surfaces to Solids Click Home tabSolid Editing panelThicken. Find Select the surfaces you want to thicken. Press Enter. Specify a thickness for the solid. Press Enter. Related Concepts About Converting Surfaces and Meshes to 3D Solids Related Tasks To Convert Objects With Thickness to Extruded SolidsTo Convert Surfaces That Enclose a Volume to a 3D SolidTo Convert a Mesh Object to a 3D Solid Related Reference Commands for Converting Objects to 3D Solids