3D Lindenmayer system

I recently found out about L-systems (Lindenmayer systems) which are fairly interesting so I decided to make one in javascript. It uses the <canvas> tag so the code won't run in IE. I made a 2D version first and then decided to expand it into 3D because I think 3D stuff is much cooler. I tried to comment the source a bit. You can use the code for anything you like. It does include a simple 3D engine which can work with things made up of lines. Here is a link.
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