3D printers; 3D printers for manufacturing metal products; computer aided manufacturing (CAM) software for 3D printers and for metal manufacturing machines; software designed for use in construction and automated manufacturing (CAD/CAM); software for use in 3D printing and custom manufacturing; part fabrication services to the order and specification of others utilizing 3D printers, namely, 3D printing; providing 3D printing services for others; custom 3D printing; treatment of materials, in particular laser bean treatment of materials, metalworking, metal heat treatment using laser beams; scientific and technological services, namely, new product design and development services, in the field of laser treatment of materials and 3D printing; scientific and technological consultation services, namely, research and product design analysis services relating thereto in the field of custom manufacturing of goods, in the field of laser treatment of materials and 3D printing; providing a website featuring technology that enables the user to upload, modify, design, and order customer-manufactured parts on the internet, in the field of laser treatment of materials and 3D printing