I, too, use lots of stencils. I've purchased all of mine in person at various places - quilt shows; Lancaster shops; JAF; LQS. I use a Bohin white 'lead' mechanical pencil on dark fabrics and usually just a #2 mechanical pencil for light fabrics. I do want to pick up some other colors of the Bohin leads but haven't made it to the further LQS that I know sells them. But I would highly recommend their products.