I was intrigued to see the differences between different tartans, pleated to the stripe in that thread the other day. I decided to get an idea what the X Marks tartan would look like, pleated to the stripe. Now, the X Marks sett is about 9 inches, so depending on which stripe you pick and how wide you make the part of the pleat that shows, you get some very different effects. Here's what I came up with, displayed on my web site...

http://www.geocities.com/alanhsails/pleating.html