Still going strong so far. Went through a few design tweeks. Hardest part actually was finding a handle that I liked and that worked. Simple design. Bottom portion is connected to the main rod. Upper portion floats up and down. The handle screws in and tightens everything against the gears. Locks both gears in place.
***** Do not ask me to make you one or for the files. I'm working on trying to get some molds made and see if I can make some myself. 3d printing them takes way too long and I would want something stronger if I were going to produce and sell them. But this will not be something that happens quickly or at all.