You will needquilting ruler - my most used ruler is an OmniGrid 6x24marking tool - my favorite is the Clover Chaco liner Omnigrid 6-Inch-by-24-Inch Quilter's Ruler $14.99 Omnigrid Clover Pen Style Chaco Liner Blue $6.23 Clover 1. Mark your seam allowance Along the edge you want to stitch

I like to take the total measurement of my piece and subtract 1/4" so that if my piece is not perfectly cut, excess is added to or subtracted from the seam allowance instead of my finished block. You could m...