Quilting Dictionary BlockBlocksShare this Facebook Pinterest X WhatsApp Email Copy linkA single pieced (or appliquéd) unit, usually square, that gets repeated and joined with others to build a quilt top. Sashing & Cornerstones Mitered Corner Binding Outer Borders & Setting Sashing Strips & Cornerstone Posts Diagram Fabric sashing strips separate individual pieced blocks, framed at intersections with cornerstone squares. Block ABlock BBlock CBlock DCornerstoneSashing Also see AppliquéQuilt Top