Here's some of mine:
- belt driven: https://www.youtube.com/watch?v=piKsTr9XfFU&t=0s&index=3&lis...
- screw driven: https://www.youtube.com/watch?v=8rGjyPqcVbg&t=0s&index=2&lis...
corexy belt: https://www.youtube.com/watch?v=Rf1MJxOYzkU&t=0s&index=7&lis...