The budget was almost zero, there was some time available. So a self-built strategy had to be chosen. But the dwellers were not bricoleurs, although they enjoyed working with their hands on the weekends.
Techniques had to be very simple too. No special tools had to be bought, and no craft skills were required. Scissors and glue were preferred to hammer and nail, bricks, wood or mortar. For the price of an IKEA chair, we got 1000 m2 of cardboard.