Retired engineer, systems, BPR, automation, robotics, medical, grew up in Central Illinois on a farm, 3 years Army Corp of Engineers, patented electronics robotic assembly system. Using Fusion 360, CR 10S Pro w/Klipper, DIY CNC Mini Mill to repair, rebuilt and upgrade 1950s Model Trains S Gauge. Posted 1,500 videos over 8 years as Frankentrain Laboratories.