Machine shop services, namely, machining parts for others; Custom 3D printing of prototypes for others; Custom manufacture of molds for use in industry; Injection molding of plastic for others; Molding of plastic materials; Design printing for others; Parts molding; Processing of plastics; 3D printing of automobile parts, unmanned aerial vehicle (UAV) parts (excluding military drones), robotic components, consumer electronics components, prosthetics, orthotic devices, and other medical appara...