Help! Where does this screw go?

I just took my inspire shell of to paint it, but all of a sudden I see this screw on the table.. I didnt unscrew it so I guess it fell off from somewhere LOL... however I have stared myself blind for 30 minutes now, I can not for my life figure out where it is supposed to go/fit.

If someone know pleeeaase help


EDIT: I found it hahaha, see 2nd photo