Never bake the mold over 395 degrees. Ax: 2" H x 1" W approx. FRIENDLY PLASTIC, PLASTER, AND EPOXY CLAY can be used in your new mold! Make beautiful crayons. Feather: 1½" H x ½" W approx. Depending on the size of the mold and the depth of the cavities, your mold can be used with.