PFI Inc. has a dual nozzle 3D printer capable of printing a range of materials such a polypropylene and nylon. Simply send us a finished file scaled to millimeters and we will send you a 3D printed part. PFI Inc. can print parts up to 12 inches in height, no wider than 14 inches. The cost of this service is based on machine run time. Watch an ankle foot orthotic prototype being printed below.