Silver Snoopy magnet

The [Silver Snoopy](https://www.nasa.gov/directorates/heo/sfa/aac/silver-snoopy-award) is an award given by NASA "for outstanding performance, contributing to flight safety and mission success", and includes a silver lapel pin personally presented by an astronaut.

This is a low-relief model based on one of the "Snoopy the Astronaut" illustrations made by Charles M. Schulz for the program, and reference photos of the lapel pin. It has a cavity in the back for a 6x3mm magnet.