I like to press open because it makes the block flatter and more even. It can be hard to do with the quarter inch but it is worth the time and trouble.
Originally Posted by kwilter11
The instructions for a scrappy quilt said to press the seams open. I'd never done it before, but it worked beautifully. I'm considering pressing them all open from now on (but it is a pain to to do) because I have a hard time getting my points to match when there's that big hump to go over.