Version 1.1 was the first official stable release of Sandy library.
It is quite well documented and robust. Several tutorials are available :
For additional tutorial resources, see tutorials.
Sandy 1.1 has been widely used in production websites and small games. It was the first real-time, interactive, Flash-based, 3D platform for the web :)
You can get the source on the download page right here
This version will also be added to the SVN in the future.
Well even if this version is quite old, it is robust and offers a multiple cameras feature that we removed in the later version of Sandy (we removed it to optimize performance, since very few people require multiple cameras).