New product development using open source hardware (OSH) is becoming very popular and is expected to increase exponentially due to many reasons. One of the reasons for recent increase in usage of OSH approach is due to OSH component developers’ extra effort in making OSH simple, easy and fun experience. In line with this trend the author has tried to keep the process simple, easy to follow and brief. The author also wants to encourage more and more people to take up product development using OSH approach, and hence come up with a book that will help innovators to take up OSH as their approach for innovation