Customizable Trammel of Archimedes Model

This is a model desk toy that was created to replicate a [CGI gif I saw on reddit](https://www.reddit.com/r/interestingasfuck/comments/b796b0/all_the_bearings_are_moving_in_a_straight_line/). There was a discussion about if the gif was real or if it could work, so I attempted to recreate it. [This is the result](https://gfycat.com/frighteningdaringharpyeagle).

It is a **8 way Trammel of Archimedes** that works by use user moving the handle/post around the base. This causes the set of arms