|I used the soil separator fabric this weekend to trace off some patterns, and have some comparisons with the swedish tracing paper/Monster paper. The soil separator (s/s hereafter) is thinner, very see-thru, and not as stable (read-- sometimes it "gives") as the swedish. However, at less than 11 cents a yard for the 48" wide variety, the s/s gets my vote. You can get an entire sheet of any pattern without having to piece the tracing. And it marks well with a dark ink pen or gel pen. Pencil drags too much. The only real problem I see with the s/s is that you won't be able to see it on some fabrics, so I retrace the lines with a Sharpie after tracing off. But the s/s does fold flat-- storage won't be a problem!