This is a storage box for Weller Soldering Tips (specifically for tips for the PES51 Pencil)

There are several version of the box.

Weller_Tip_Box_Base.STL = Base with Tip Part# Labels
Weller_Tip_Box_Lid.STL = Lid with "Weller Soldering Tips" Label

Weller_Tip_Box_Blank.STL = Base No Labeling
Weller_Tip_Box_Lid_Blank.STL = Lid No Labeling

Weller_Tip_Box_Lid.STL = Plain base (no lid) that should snap fit onto the Weller Control Box. (WESD51) I have not printed this version myself so I don't know if it fits or not (I think the tabs would be to fragile anyway) but if you want to try it knock yourself out.

I stuck a piece of foam in the lid to keep the shorter tips from falling out of the holes if the box was tipped over. I tried to inject paint into the lettering for the tips but it didn't come out to well.