This SC20P Sectional Lamp Form can be used to create a 20" stained glass lamp. Can be used with SC20-1 Dragonfly, SC20-2 Floral Cone, SC20-3 Poppy, SC20-4 Art Nouveau, SC20-5 Tulip Cone, SC20-6 Arrowroot, SC20-7 Floral Border, or SC20-8 Art Nouveau lamp patterns, pattern packets not included.