Check the box in the property manager. If the surfaces perfectly enclose a space, SOLIDWORKS will automatically convert it into a single solid body.
Choose the direction (inside, outside, or mid-plane) and set the desired thickness. sc24855-SFCOE.rar
: Used when multiple surfaces enclose a volume. Go to the Surfaces tab and select Knit Surface . Select all the surfaces that form the closed volume. Check the box in the property manager
: Useful for closing open gaps in imported geometry. Use the Filled Surface tool to patch any holes. sc24855-SFCOE.rar