One of my clients has me architecting a polypeptide printer capable of running 100 times faster than their current machine. I am quite pleased with the current state of the design and we are ready to start early prototyping. The design makes extensive use of peristaltic pumps. Close to 1000 in a fully configured machine. Pictured above is such a pump that arrived today along with the stepper motor controller used to drive it. I am looking forward to putting this little fellow through its paces. It may take a little longer than planned as the controller arrived with no documentation and the printed circuit board is labeled in Chinese characters.