There are times to design with parametric features and times to work with free-form versions. A few advantages of designing in 3D solids include associative detail drawings, creating complex features, ...

Learn to build virtual 3D models of parts and assemblies using Solidworks (parametric CAD software). Topics include: learning the interface, communicating design intent, building parts and assemblies ...

Using the computer to design objects by modeling their components with real-world behaviors and attributes. Typically specialized for either mechanical design or building design, a parametric modeler ...