What you’re looking at is a picture of a model for a 3D printable dipping sauce holder that mounts to a Picatinny rail. For when you’re oper8ing and need easy access to sauce for your tactical tendies. It’s perfectly sized for a Chick-Fil-A sauce packet, and would presumably fit similarly-sized containers from other restaurants.
You can get the file here: www.thingiverse.com/thing:3372887