: "Solid" features often refer to the underside of the pan. Premium models utilize a reinforced "honeycomb" or solid resin structure to eliminate the "flexing" feel common in cheap fiberglass inserts. Modeling a Shower in SOLIDWORKS

: A high-quality solid surface shower pan should feature integrated flanges that extend up the wall behind the drywall or backer board. This creates a "tub" effect that prevents water from seeping into the wall cavity.

If your query relates to designing these features in CAD software like , you would typically use a combination of surface and solid modeling tools:

: Critical for ensuring the part can be removed from a mold during production.