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It was found after a local game day event, and a friend would like to know where it goes before rifling through the hundreds of games in the game library.
Has anyone tried asking the Geeks?
Google Images doesn’t recognize it. That’s not a good sign.
Board game subreddit?
To be fair, it’s a tiny tile on a large expanse of fabric, and it’s oriented weirdly. It’s either going to return curtains, or if you zoom in, it’ll be gemstones, maybe the odd IC chip.
ETA: I see cufflinks are a favourite match, too 
I don’t recognize it, but by the camo pattern, I’d say check out military or sci-fi games.
If these games are stored together for events, maybe just start up a shoe box of “extra” pieces that get left over just like this. Anyone who’s short can check the box.