Welcome! I am very happy to share with you my Steem Automata model (inspired by steemit.com) that lifts the pins in a wave form up and down.
I have tried to animate the model to show the functionality in the following gif but unfortunately I don't get the software to push the pins up once touched by the crank. I hope you get the idea anyway.
Not all parts are printed yet, that is why I marked the model as work in progress.