Supplies for class:
At least 12 UN-CUT T-shirts (but can work with less)
5 yards form flex, Shears or large scissors, 15 1/" square ruler, if you have one.
Fabric for sashing and border is helpful , but depending on your layout you may want to what until class to purchase it. If you want o purchase ahead you will need approximately 1 3/4 yards of fabric for the sashing and 1 3/4 yards for border, plus 1/4 yard for cornerstones.