40 3D printing for others; Custom 3D printing for others; Custom building of lattice structures and custom products using plastic, elastomeric, and metal materials; Custom manufacture of plastic and metal parts fabrication and manufacturing of plastic, elastomeric, and metal parts for use in a wide range of general consumer products, durable consumer goods, consumer electronic items, household products, industrial products, automobiles and aircraft, industrial machinery and tools, medical devices, scientific devices, made to the order and specification of others; plastic and metal parts fabrication and manufacturing services to the order and specification of others; plastic and metal parts fabrication and manufacturing services to the other and/or specification of others utilizing 3D printers.; Custom molding of epoxy 82 (EPX 82), rigid polyurethane 70 (RPU 70), and elastomeric polyurethane 40 (EPU 40, EPU 41) materials for others