# Specifications for an organic and human building system by [[Christopher Alexander]] **Key Attributes:** 1. A common pattern language 2. User design 3. Repair and piecemeal growth 4. A human-scale building system **User Design** Users must once again design their own environment. [PDF](http://worrydream.com/refs/Alexander%20and%20Jacobson%20-%20Specifications%20for%20an%20Organic%20and%20Human%20Building%20System.pdf) #articles #notebook