Casting molds are a simple way to make beautiful glass art. This molds allows you to create multiple pieces in just one firing. These pieces that are beautiful enough to stand alone or to incorporate into larger projects. Molds can be filled with glass frit, powder, or sheet glass. Mold measures 4-1/2" x 5-1/2" x 1-1/4". Castings measure approximately 4" x 1" and 3-1/2" x 1". Finished project image by artist Stephanie O'Toole.