FrSky X-Lite 18650 battery caps (Robust Version)

UPDATE 18-11-25 - Updated design. More rounded transition. I think it looks better.

Hi, I have tried caps designed by AndreR and I really don't like the "copper foil design". It is definitely not long lasting and even not simple to do right.
I made a system that requires only copper wire or thin copper sheet if you want to do it fancy.

FINISHING PROCEDURE (TEXT PART FOR PHOTOS):
After both sides are printed (I uploaded only Left side, the other can be done by mirroring original part in r