For a robust and long-lasting installation, these features are essential:

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

: Used to create the complex, ergonomic curves of a showerhead or the sloped floor of a pan.

: "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

: High-end solid surfaces like Swanstone use materials where the color and texture run all the way through. This ensures the surface cannot wear away over time and naturally resists mold and mildew.