STRIPES/PLAID Layering Stencils
Elizabeth's Craft Designs. Use this stencil to make stripes or plaid. To make a plaid background, stencil stripes, then turn and use a different colour in the other direction.
5x7 stencil with 4 3/8 x 6 1/8.
Here's a link to the EC blog that explains how to do it ! Samples too.