Rhombic Triacontahedron made up of 30 pieces of the same element with 32 stems
STLs are a tad bit small, so a scale of 200% is advised. Use CA glue with activator or a quick drying super-glue (https://amzn.to/2UE3tHK or similar) to attach the pieces together.
I used a natural clear PETG (https://amzn.to/2B621Xv or similar) with a semitransparent PLA (https://amzn.to/3fvDhHt or similar) for the red tips.
The author hasn't provided the model origin yet.