Upper and lower snap together flange mounting system.

Here's another mounting system which has its own category since it's different than the plain mounting flanges. The upper & lower sections are made to snap together for easy access to the mounting screws on the flange, and could be used to swap motors or anything else you connect it to without using tools. It was remixed from this 4 hole mounting plate: https://www.thingiverse.com/thing:3424126, and from ball & socket links: https://www.thingiverse.com/thing:2539262. The nut is from the original