This is one of the four models that form “25 or 6 to 4” series. It is based on a Hyperbolic Tessellations fractal variation with 2 levels of fractal depth. The design is double-sided. Its construction allows hanging on chain/string and hooks. Though it looks similar to
Twenty they also differ considerably from one another
As to “25 or 6 to 4” - a great song by a great band in a great time.