plastic panels which are useful as automotive interior trim panels , interior door panels and the like decorative and structural panels , are made by a method which provides an underturned edge onto the panel . the method includes positioning blanks into a mold cavity over top of a mold ring . the blanks are secured to the mold ring and the blank is secured to the mold cavity via a vacuum . the two piece mold is mated together and a substrate is injected into the mold cavity . the cavity is opened , the ring is lifted and the formed part is removed from the mold .