Nice. Now I'm imagining a giant (orbital?) laser-sintering 3D printer, beaming down onto deserts and leaving behind glass houses as moving sand dunes encroach

Nice. Now I'm imagining a giant (orbital?) laser-sintering 3D printer, beaming down onto deserts and leaving behind glass houses as moving sand dunes encroach and recede... (VC's, please form an orderly queue in my inbox...)