Quoins & Cladding Cover all or part of a wall using our cast stone quoins and cladding. It is increasing in popularity, giving a building a smooth, strong, flawless look. View Photos Quoin: QU 101 and QU 103 Quoin: QU 101 Printable Drawing This piece can be used with QU-103, as shown in the picture on the left. Quoin: QU 103 Printable Drawing Quoin: QU 102 Quoin: QU 102 Printable Drawing Block: SK 105 Block: SK 105 Printable Drawing Block: SK 105 Returns Printable Drawing Block: SK 105 on Pier Large Cast Stone Panels Standard size: 3" x 1' 3-5/8" x 3' 11-5/8". Custom panel sizes are available.