A system for secure, oblivious-client optimization of manufacturing processes includes manufacturer exchange module executing on a secure server, which receives from a plurality of manufacturer clients at least an identification of a manufacturing device operated by the at least a manufacturer and at least a manufacturing constraint, an avatar generator e configured to generate at least a manufacturing avatar, and a simulator executing on the secure server, the simulator designed and configured to receive a design of a part to be manufactured using an automated manufacturing device and at least an optimization criterion, and simulate at least a first manufacturing process using a first avatar manufacturer avatar of the plurality of manufacturer avatars.