NEW Earthship eBook:
Global Volume: Operation 1: Tire Work - Apple | Google | Amazon
When the land has been excavated and you have a level, flat surface - the building is laid out with string-line and math. The Pythagorean theorum. How to layout an Earthship to be sure you have the correct sized rectangle that has proper 90 degree angles.

The newest video in our How To series, this video outline how to layout an Earthship.