A forming structure for use in an apparatus for making formed polymeric film. The forming structure comprises a first portion comprising a network of interconnecting members defining apertures, the apertures being spaced in a pattern defining a first percent open area, a second portion being solid and having no apertures and zero percent open area; and a third portion being a transition between and joining the first and second portions, the transition portion exhibiting a second percent open area, the second percent open area of the third portion being less than the first percent open area of first portion.