Porsche Boxter & Cayman "hidden hitch" adapter for utility trailer

Posted are the models and dimensions to create a "hidden hitch" mount for Porsche Cayman and Boxters. This is reverse engineered from images posted on the planet-9 site and measurements taken from the self-locking ball mount made by www.etrailer.com I took measurements from 2" hitch components at Home Depot to verify the tolerances of the square receiver hole. It was also handy to have a spare bumper channel to measure its features. Along the way I 3D printed a full size sample in PLA to c