This document tries to describe the binary structure of Remedy's Control video game 3d mesh format with extension .binfbx.
This research is based on the previous on a Blender imported work by user 'volfin' at xentax forums: https://forum.xentax.com/viewtopic.php?f=33&t=21047&start=45#p156665 Most credit goes to them.
While the extension of the format suggests a relation with the known FBX file format the similarity seems start there and end at how strings are stored within the file.