The low weight is the biggest benefit IMO. I spent a number of months travelling in a Class-C (box on a van chassis) motor home. I was surprised to learn they a

The low weight is the biggest benefit IMO. I spent a number of months travelling in a Class-C (box on a van chassis) motor home. I was surprised to learn they are made from plywood and so are extremely heavy, subject to water infiltration, etc. A 3D printed, lightweight composite would do wonders for this industry.