Architecture, Building and Structure Design Boxabl Casita House by Boxabl Llc Boxabl technology is a break through building construction technology and the recipient of 14 mechanical patents. The Boxabl core technology allows for the building of rooms in a factory which ship 8'6" wide worldwide yet unpack to almost 20' wide onsite. When room are backed down for shipping a 6' core space remains unpacked enabling the full fit out of kitchens. bathroom, utilities, closets, corridors, stairs and fireplace. Pre-configured Boxabl can connect together like Lego building blocks to create almost anything.