Salmonsweet,
After reading about lots of people using triangle rulers to cut their hexagons, I think the way I used my ruler with it's 60 degree lines on, was better and more accurate. My ruler is an Omnigrid 6" X 24". After cutting my stacked fabric into strips, you line up the ruler's 60 degree line with the cut edge - I used the one closest to me when sitting at my table, then cut along the outside edge. Pivot the ruler around and line up the other 60 degree line w/ the cut edge and you can now also line up the first 60 degree line with the edge you just cut, to make sure everything's lined up and cut the second side. This worked very well for me and didn't require me to buy another expensive ruler.