USBtinyISP-Cover

Since I've also learned how to flash my printer board, I've gotten (of course) the USBtinyISP controller. Great invention.
Now it bothered me that the part always lies around as a "printed circuit board".
So I'm looking for something like a case for it.
There are really great ideas here, which I also tried in part.
One was too big, the other too complicated, the next (sorry) I just did not like it. It should only be easy.
So I tried to build my own cover, just without any bells and whistles and should protect only the circuit board something. No screw no nuts needed.
I myself use the 6-pin connector, but I think the 8-pin also fits through the intended opening.