Builders use 3-D modeling software to design the houses and direct a robotic power tool called a CNC router to cut parts out of sheets of plywood. The free designs can be customized with computer-aided software.Compare the 1920 "kit house," as encountered by Buster Keaton:
February 18, 2014
"Using wooden mallets cut from plywood, a crew of eight banged together the slotted frame of a WikiHouse without a single nail."
"It took the WikiHouse team of eight just two days to build its two houses, which were 12 feet wide, 26 feet long and nearly 10 feet high."