1/8th Nelson Suitcase Tear

I thought I had exhausted all of my "make-it-smaller-and -lighter" ideas on the 1/4 Nelson Stacker, but am now tinkering with an idea for the proposed "1/8th Nelson Suitcase Tear". I've only got it sketched out, but the basic idea is a 48" x 72" tailer frame with a 4x8 floor and 8" sides. Upon these sides, a fold-down teardrop is hinged, dropping down into the 8" recess, complete with hinged roof, hinged hatch and hinged sidewalls, all stacking on top of the mattress. When down, I can use the trailer to haul 4 x 8 sheets of material or 2x4s if necessary. Next step, build a model out of cereal box cardboard to see it it will work. Just a thought I'm kicking around. (Is it true that you can't only build just TWO?)
Roly, with sketch pad, box cutter and cereal box in hand
Roly, with sketch pad, box cutter and cereal box in hand
