Flatbed for Silverado cab

Decided to make a flatbed for the body from Fourdogs. I've included files to print it on a large print bed. also sliced it to be printed in sections on smaller print bed. comes with headache rack. secure headache rack with glue or drill and screw to flatbed. your choice. print headache rack on its side w/supports. my insperation for the flatbed https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRl6DGYAKmj9ke2bEMHAQ5zfRzzfaNbSLa262KDa-wEIpMWKijzlw