I've lived in Tokyo for 2 years now and see prefab homes popping up practically nonstop, from makers like Hebel House and Sekisui; and if you walk around any ne

I've lived in Tokyo for 2 years now and see prefab homes popping up practically nonstop, from makers like Hebel House and Sekisui; and if you walk around any neighborhood it's not hard to spot the seams in the majority of houses, where panels and modules slot in and out.