A new version of https://youtu.be/rIbntc2mULI, published a few years ago. A friend of mine complained the mechanism was too complex, so I made this new version with a much simpler construction.
Modeled/edited with Solidworks 2020 Student.
Animated and rendered with Simlab Composer Pro 8.
Video at https://youtu.be/nrNf4KOg7G0.