Domes
Bucky helped every one out by demonstrating how to make a nice and efficent dome. Though like every asshole handed a tasty snack for free, people immediately threw it on the ground.
Domes traditionally have been aloft pillars and columns and now all of a sudden they are plopped directly on the ground. No wonder they are not currently more popular, with weird door shapes being required and no where to put a fridge
I say hold the gift aloft, build with all that we know and all of the cool new materials.