Surface Modelling Command

•    Ruled surface - To create the surface b/w two          entities

           Rulesurf enter

           Select two entities

•    Visual style - To view the visual style

          Click view 

          Click visual style

•    Edge surface - To create the surface b/w four            entities

           Egdesurf enter

           Select four entities

•    Revolve surface - To revolve the surface                   about an axis

            Rulesurf enter

            Select object 

            Click axis 

            Enter

            Angle value enter

•    Tabulated surface - Extrude along path in any            cross section about a line 

            Tabsurf enter

             Select cross section

             Click direction

             Vector