H.R. GigerFacehugger Coffe Tamper
The diameter is 50mm, you can scale it so you can use it with other filters.
If you want you can print it only as a bust.
Hope you like it and enjoy :)
A facehugger is the second stage in the Alien's life cycle. It has eight long, finger-like legs, which allow it to crawl rapidly, and a long tail adapted for making great leaps. These particular appendages give it an appearance somewhat comparable to chelicerate arthropods such as arachnids and horseshoe crabs.