Four Patch Square Up Tool designer--Sue Spargo They are made from a

They are made from a heat resistant plastic allowing you to use them with an iron on a medium heat setting

Half-square triangles

Two color for easy reading as well as 1/4in lines for seam allowance

Pattern includes twenty-three embroidery designs for embroidery machines and complete assembly instructions

Four Patch Square Up Tool designer--Sue Spargo They are made from aFour Patches, basic units that seem so simple to make. Just stitch 4 squares together, either individually or with strip piecing and youre good to go. But anyone who has attempted these units knows that they are notoriously difficult to make perfectly. Either the unit size isnt quite right, the edges just dont quite line up, or theyre just not quite square. Ugh. Even experienced stitchers encounter these problems. The Four Patch Square Up Tool is the