Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure. We ask ourselves, Who am I to be brilliant, gorgeous, talented, fabulous? Actually, who are you not to be? We were born to make manifest the glory of God that is within us. And as we let our own light shine, we unconsciously give other people permission to do the same. - Marianne Williamson
I've gotten slabs of styrofoam from the hardware store that make a terrific blocking surface. The pins really stay where you put them. They are about 3' x 6' and only cost a few dollars a piece. You can cut them and duct tape them together to make a custom sized board.