Systems, methods, and media for optimizing and facilitating 3D printing services in a marketplace environment are provided. In one example, a system comprises a hosting system to enhance a 3D printing service marketplace environment including marketplace participants and a federated network of 3D printing service providers. In one aspect, operations include receiving a 3D printing request to print a 3D object selected from among a selection of 3D objects, responsive to the 3D printing request and the 3D object selected from among the selection of 3D objects, listing at least some of the 3D printing service providers based on a 3D printer identifier metric, wherein the 3D printer identifier metric includes one or more of a 3D printing quality metric, a 3D printer model number, a 3D printer serial number, and a 3D digital model type. The operations further include receiving a selection of a preferred 3D printing service provider from among the list of at least some of the 3D printing service providers.