Width Mold Height Material P10 28'' 123'' Plaster or Stone P12 20'' 120'' Plaster or Stone P13 18'' 122'' Plaster or Stone P15 16'' 138'' Plaster or Stone P16 15 1/4'' 110'' Plaster or Stone P18 13'' 126'' Plaster or Stone P19 12'' 130'' Plaster or Stone P20 11'' Plaster P21 10 1/2'' Plaster P22 10'' Plaster P23 9'' Plaster P24 8 1/4'' 118'' Plaster or Stone P25 8'' 108'' Plaster or Stone P26 6'' 70'' Plaster or Stone