5209 keystone holder

I hate having to paste a reed contact that after several times that the put and take out the battery starts to become unstuck, then I drew a holder so as to improve the bonding surface, has a thickness of 1mm, then slips anywhere without creating clutter. The dimensions are small and tight tolerances,If u don't have a very precise printer u need to scale the file + 10% and fixed contact with a bit of glue.If u have a very precise machine you need a 0,2-0,25mm nozzle and a very clean filament. It