I use this as well. As you said another aframer here posted this a while back.
I just disassemble my shelf unit and put it in The box when I pack up, takes about 5 minutes to assemble or disassemble.
Love it for making lots of shelf storage for stays more than one night.
2011 FR Rockwood Premiere A126 Hard Side
TV=2011 Jeep Wrangler Sahara 2 Dr
Reese 66065 WDH, Curt WDH Shank #17120
Prodigy P2 Brake Controller, Mopar 7-pin Harness
B&M Transmission Cooler (#70268)