Originally Posted by
Prism99
Sharon Schamber has some great videos on Youtube that show how to block a square to the correct size. If you search on her name there, you will find them (mixed in with a lot of other great Youtube videos she has there!).
http://www.youtube.com/watch?v=sQkF02vpVuw this is the one to stretch a block
http://www.youtube.com/watch?v=3keKl...eature=related squaring up a block
http://www.youtube.com/watch?v=lIjZqABo2NY shrinking a block using starch