Compact bottle opener (keychain)

This compact bottle opener is perfect for on the go. For example, on a keychain, in a purse, or in a jacket pocket. Features: As small as a key (perfect keychain size) Sturdy and durable thanks to the inserted steel washer (M6) Easy to use. The focus was on ensuring a bottle can be opened on the first try without frustration The model is designed for washers of the following size: Outer diameter: Ø12mm Thickness: 1.60 mm You can buy them in a hardware store or directly from Bambulab (link). Since material thickness can vary due to manufacturing tolerances, the model is available for different sheet metal thicknesses. Available variants: 1,50mm (-0,10) 1.55 mm (-0,05) 1,60mm (standard) 1,65 mm (+0,05) 1,70mm (+0,10) I recommend starting with 1.60 mm. For a perfect fit you can print the small test part with all 5 slots: Ideally, the washer would slide into the groove without resistance and wobble as little as possible to prevent noise. Assembly: Part overview: Insert the washer. The shar