St. Patrick's Day SquaresDIY St. Patrick's Day Square Signs These signs are sure to bring you luck on March 17! Signs measure just over 11 square. This is a WOOD project. Although we select and prep the wood with care, your project will have cracks, chips, knots, and other blemishes that are NATURAL and give your piece a unique character. CUSTOM GUIDELINES: Simple substitutions of words within the shown design and layout can generally be made at no additional charge. However,