Protolabs Network (also known as 3D Hubs or Hubs) is a company that develops an online platform for distributed manufacturing applications. It provides engineers with on-demand access to a global network of manufacturing partners offering CNC machining, 3D printing, injection molding, and sheet metal fabrication as well as different materials and finishes. Its platform features automated design for manufacturing (DFM), instant pricing, quote management, and order tracking.