About this 3D model

I am trying to teach my son about the value of Open Source. This is a house that my 7 year old son designed by himself with Google Sketchup. He was asked after the print finished if he wanted to keep the design private, or share it with the world. I am so proud of his choice. Video of the print here: http://www.youtube.com/watch?v=b-IYbPIHPJs&