I reckon that even if we have 2 or even 3 blues they won't all be the same, even if those three people were raiding the same stash! And if I look at my drawers of threads I have loads of different blues (& greens & browns & etc.....) so that way it will only reflect ourselves and real life
Now I have to go and find some synthapol to buy - aaaggghhh! I also wish that I had seen Margo's tutorial, before I got enthusiastic with my cutter, life would have been so much simpler if I had, but I just didn't really think 'production line' through