Daniel Falck has over 25 years experience in manufacturing, machining, CAD, CAM, and computer programming. He has worked for Gibson Guitar doing design and prototyping for over 14 years. Currently, he runs the Prototype machine shop at King Cycle Group, in Portland, Oregon (USA), where bicycle components are manufactured. His home shop is full of CNC machining equipment that he uses to create guitar parts for customers, using open source software running on Linux. Over the past 10 years he has worked with open source manufacturing software such as Linuxcnc, APT360, HeeksCAD, FreeCAD, and a myriad of specialized python scripts.