This is based on the internals of Woodturning Vase 07 and prints completely without support structures.
The base pattern is a simple hexagon where every 2nd corner is connected to the center.
The resulting profiles are extruded into single colors and than patterned along the dotted lines.
If you like this little thing, you might want to check those ones, too:
https://www.prusaprinters.org/social/3373-wilko/collections/36089
The author marked this model as their own original creation. Imported from Thingiverse.