Gnarly 3D Avalon Sample (including source code) That Mimics Famous Amiga Demo

Check this out:

https://blogs.msdn.com/danlehen/archive/2004/06/01/146259.aspx

Dan Lehen's 3D sample is very cool, mimicking the famous Amiga demo by RJ Mical.  Plus, Dan walks through how the 3D engine works in Avalon quite thoroughly.