I still do not understand what the difference is...polyester vs cotton. I use cotton but there was an awesome deal on the polyester thread at a thift store by I did not buy them since I did not know if I shuld use them or not.
Originally Posted by
Anael
During my first and only FMQ class the teacher told us to use cotton thread for FMQ because polyester thread would melt when you iron the quilt
