custom plastic and metal parts fabrication and manufacturing of plastic and metal parts for use in a wide range of general consumer products, durable consumer goods, consumer electronic items, household products, industrial products, industrial machinery and tools, medical devices, scientific devices, automobiles and aircraft, made to the order and specification of others; plastic and metal parts manufacturing services to the order and/or specification of others using additive manufacturing to form plastic and metal parts; plastic and metal parts manufacturing services to the order and/or specification of others using CNC (computer numerical control) machining to form plastic and metal parts; plastic parts manufacturing services to the order and/or specification of others using cast urethane molding to form plastic parts; plastic parts manufacturing services to the order and/or specification of others using injection molding to form plastic parts; plastic parts manufacturing services to the order and/or specification of others using fused deposition modeling (FDM) to form plastic parts; plastic parts manufacturing services to the order and/or specification of others using stereolithography (SLA) to form plastic parts; plastic and metal parts manufacturing services to the order and/or specification of others using selective laser sintering (SLS) to form plastic or metal parts; plastic and metal parts manufacturing services to the order and/or specification of others using direct metal laser sintering (DMLS) to form plastic or metal parts; plastic and metal parts fabrication and manufacturing services to the order and/or specification of others utilizing 3D printers; providing 3D printing services for others; technical consultation in the field of custom manufactured plastic and metal parts; all of the forgoing in the fields of general consumer products, durable consumer goods, consumer electronic items, household products, industrial products, industrial machinery and tools, medical devices, scientific devices, automobiles and aircraft and excluding custom steel rolling and fabrication and piping systems for utility infrastructure applications