Hello everybody! I’m trying to rotate air blades inside of shell (torus shape). But simulation get me only rotating in XY axis, there are no vertical (Z-axis) air movement at all. [image] Air tor by timz | SimScale air flow | Simulation project by timz [S…

[image] timz: Didn’t help. Also I see strange particle trace: ▶ . [Screenshot 2024-08-31 at 06.51.09] All good now?