how do i make a shore a quilt is square
how do i make a shore a quilt is square or make it square? I'm very new to quilting and have had to teach my self. with no help. i have been sewing for years but just started with the quilting. i would like to have my latest quilt quilted by long arm and want to make shore i have every thing right for the person quilting it so i do not cause extra work for them.
thanks