This starts as a rhombic icosahedron. The 12 rhombi are divided into 24 triangles and then these are stellated.

You print the half star twice.  The two halves screw together using the threaded cylinder.  You only need to print one cylinder, but I print it with a brim because it's prone to break free of the built plate.  I used Natural PLA and placed a USB string light inside.

There are two small notches where you can pass the LED string light strand through.