This is a geared version of the model of the asteroid Psyche!
Video of it in action here: https://youtu.be/Rr6EFCilcxE
Derived from Emmett Lalish's outstanding Three Heart Gears.
What's in the box:
This is an arranged printable model with all parts required. For a quick print, this is probably what you are looking for. Scale up/down as needed for your printer, although this size is probably at the lower end of what could be printed.
The OpenSCAD code in case you want to tweak or revise (NB: You must have Psyche_10k_100mm.stl in the same folder for this to work!)
Parametric snap pins (8 required)
The assembled model. Included for reference, as building this without it would be extremely tricky!
A new low-poly version of the original Psyche model with only 10k triangles to keep OpenSCAD rendering times sane.
As Psyche is thought to be mostly made of iron-nickel, a silvery metallic filament is advised!