The problem with the previous mantra setup (https://vimeo.com/333709972) is that it was really slow to render, and now with the redshift version it's supper fast, it has the same features with additionally:
-The center of the dust circle moves faster than the outer ring (more logical).
-Volume (vdb) cloud in addition to the points in the circle.
-Star field (point cloud), to give some depth to the scene.