Summary

Use the Customizer app (Open in Customizer) to design and create complex twisted shapes that can print without structural supports. Be careful to keep all angles more vertical than your structure settings to avoid structure. What are they for? I don't know! Be sure to let us know what you use them for in the comments.

These can take quite a while to render, and you may see an error if doing it online, but usually the process will complete successfully.