Dewalt 20v Ratchet Toolbox/Cart Hanging Mount
This remix of agentjwa's ratchet wall mount is designed to hang off the side of a tool cart. The hanger piece itself uses a similar design to one I saw on a hammer holder by PrintSLP elsewhere; it wasn't a direct remix but liked the idea. The ratchet can be hung with the head facing in or out. Fits the 3/8" for sure, may fit other sizes if the neck is the same diameter.
Since the original author included the f3d file, I did as well if anyone wants to improve or adapt.