This is a variation of Henry Segermans and Sabetta Matsumoto Geared Jitterbug. Shared with approval.

This model is still in early access. It supposed to flip shapes in the air, but that's still very difficult to do with Filaments that are not regular PLA. It already Flips manually, though.

You need

12 Connectors
2 Small Gear 1
2 Small Gear 2
2 Big Gear 1
2 Brig Gear 2

**Print Settings:
**Standard, no supports needed.

Assembly

I made an Assembly Video: https://youtu.be/xi0fVM4j19I
and an Assembly PDF that's included in the download.