This is a most simple design of a working beer bottle opener.
Printing this degisn is quite easy, but you have to return to your printer to add the 5... Eurocent coin.
A quick walkthrough:
1. Start the print.
2. As soon as the printer starts printing the indent for the 5 cents, gently lay it in there. It can be easier if you set the printing speed slower, and wait for the nozzle to be out of the way.
3. Watch your print finish! The coin has enough room in this design to wiggle during the print, this is normal since your nozzle needs some space to push the coin away, so it won't be damaged.
3d model print parameters
Standard Ultimaker settings. Fill 20%, Shell thickness: 0.8mm, bottom thickness: 0.6mm.
PLA
5 Eurocent coin (or coin of the same size)...