This drawing is a CAD drawing for the decoration of a villa with 400 square meters, five rooms, three halls, one kitchen, four bathrooms and three floors in Goya, California, Lanxi County, [Heilongjiang]. The drawing contains sections: original plan, layout plan, wall removal plan, new wall plan, furniture positioning plan, ground layout plan, top layout plan, top positioning plan, lamp positioning plan, switch layout plan, strong and weak current socket