Use those files as a guide for your art, all art for printing will need to extend beyond the edges of that anyway so don't worry about the rough edges - the cutting machine will create the smooth outlines.
Prices for the artwork if anyone wanted it is as follows:
CPO
429x178mm, adhesive vinyl w/gloss laminate, square cut £12, cut to shape £14
Bezel
388x540mm, adhesive vinyl w/gloss laminate, square cut £18, outer cut £20
On 1mm semi-rigid pvc (place behind clear perspex) fully cut to shape £24
Kickplate
430x335mm, adhesive vinyl w/gloss laminate, outline cut (no coin or key holes cut) £16
Side Art
440x894mm, adhesive vinyl w/gloss laminate, cut to shape £60 pair