Solar system

All planets of the solar system and earth's moon as generated by img2scad:
https://github.com/goncalossilva/img2scad

In the repository you can see how it works, how to run it locally, and how to adapt it to different needs (e.g., different images, different shapes, etc.)

Print instructions

I recommend 5% rectilinear infill to help lay down the upper layers. Printing without supports can be a bit challenging, but is definitely doable.