Originally Posted by
AudreyB
I was taught that they should be close enough that if you put your hand down anywhere on the quilt you will feel at least one pin. I use the curved safety pins and it works good for me.
That is a sound system. I like to put them just about the same. I try to think of what my quilting will be and put the pins where they will not be in the way, but still close enough to hold the sandwich until that section is done.