Discover the innovative H5 creation 'Double Door' by LeGoo Robot, meticulously crafted using the powerful online design platform provided by Eqxiu.com. This engaging H5 showcases the fascinating world of double doors, also known as swing doors, which are designed for convenience and aesthetics in wider doorways. Dive into the mechanics with an explanation of gear transmission, where small gears drive larger ones, leading to the crown gear and further movement. Enhance your understanding with the role of the hand crank, which facilitates rotation and ensures a straight line through two points. With Eqxiu's extensive template library, creating such captivating and educational H5s has never been easier.