We have seen this design before but to look through these truck camper ideas might be looked out with out the truck and seen as ways you could make a double flex in your roof. Or a way to have a vanigan type top with return to tenting feel.
There have been many times when I wish I could stand up.
...... Inside almost done--Trolly top has opening windows & roof.doors need assembling--pictured above waley windows..galley 1/3 done Cross Bow in Build Journals....http://www.tnttt.com/viewtopic.php?f=50&t=54108