“A complete van tour with a transforming: Living room, Kitchen, Bedroom, Bathroom, and Office. Here is the complete van tour of my Dodge Grand Caravan camper minivan with my DIY pop top.”
With a design goal of making an affordable mini-van poptop you could stand up in, this dude headed down to Home Depot and picked up some Coroplast® (that corrugated plastic sheet usually used for signs and re-usable packaging) and channeled his inner origami artist. The results are pretty nifty and his design might just be the lynchpin for your own shoestring conversion project: