Or rather, Rocky's version of him. If you've read or watched Project Hail Mary (both book and movie are great, thank you for coming to my TED Talk), you'll know I'm talking about the alien with whom Gosling's Ryland Grace attempts to save a couple of planets.

But back to 3D printing.

The movie's promo material includes a 3D printable version of the model that Rocky creates to communicate with Grace. You can download two versions of the file, as well as a guide in case you're looking for tips.

Our version, with Prusament's Galaxy Black, manages the xenonite effect quite well.