Clay Canvases by Regina Farrell. Hand-built clay canvases inspired by microorganisms, fungi, and molds. Made with low-fire white earthenware clay, electric kiln fired. Hand formed and hand painted with black underglaze, finished in a clear glaze. Ready to hang. Dimensions refer to each individual panel. As each panel is hung individually, overall dimensions will vary. Each panel is unique. Individual tiles shown here are representative of the variation that you may expect in your grouping.