That thing in the Robo3D R2 Ads

I bought a Robo3D R2 printer, and in all the pictures, it had this solid on the print bed. I was hoping that it'd be a sample print included with the printer. It wasn't. So, I spent a lot of times squinting at the picture, counting faces and observing the shape of the faces, and eventually determined that it's a Rhobic Enneacontahedron (wire frame) (wikipedia: https://en.wikipedia.org/wiki/Rhombic_enneacontahedron), which basically means a 90-faced solid where each face is a rhombus (4 sided