Three years ago (on November 21, 2003) I wrote a page on my old site about Track Layout Geometry showing some of the interesting things you can do with LEGO train track, for example, this method for running track on the 22.5° diagonal:
Three years ago (on November 21, 2003) I wrote a page on my old site about Track Layout Geometry showing some of the interesting things you can do with LEGO train track, for example, this method for running track on the 22.5° diagonal: