Originally Posted by SandyinZ4
Just a goofy idea but perhaps you could find some more double-knit and fill in the spaces with trangles. Then you would have straight edges. I am sure there is still a lot of that polyester around lurking in sewing rooms all over the country.
Actually, I see it all the time at thrift stores. People don't use it for clothing anymore so the seamtress is getting rid of it.