a substantially wrinkle - free , high modulus , thermoplastic film having at least one compound curve is disclosed . the substantially wrinkle - free film may form a part of a laminate which itself has utility in automotive glazing applications . an improved lamination process is also disclosed for the production of non - planar laminates from planar sheets of heat - shrinkable films through the use of a negative image mold of the non - planar article to be laminated . heat - shrinkable films which may be used in the practice of the invention include polyester films , polyolefin films , polyamide films , polyurethane films , polycarbonate films , polyvinylchloride films , and polystyrenic films . the method is applicable to a wide range of non - planar articles and is particularly suitable to articles having at least one compound curve forming at least part of its surface . the improved lamination process of the present invention has specific utility in the manufacture of automotive glazing products such as windshields and rear windows .