This is going to be a great website. It's not finished yet.
For now please enjoy some 3D mandalas. I think they are a useful meditation tool.
They are on 15-second loops, so you can sync with 15-second breaths.
You can choose between
They are animated using pure CSS,
with some inspiration and some slices of code borrowed from
here for the helix,
here for the box, and
here for the octahedron. The atom is all-original.