Share Email Facebook Twitter LinkedIn To Convert Objects With Thickness to Extruded Solids Click Modeling tab > Solid panel > Convert to Solid. Select one or more of the following types of objects and press Enter: Uniform-width polylines with thickness Closed, 0-width polylines with thickness Circles with thickness Related Concepts About Converting Surfaces and Meshes to 3D Solids Related Tasks To Convert One or More Surfaces to SolidsTo Convert Contiguous Surfaces That Enclose a Volume to a 3D Solid ObjectTo Convert a Mesh Object to a 3D Solid