Festival Bottle Cap

A keychain bottle cap that will fit on any standard-size bottle as well as a chaudfontaine-style bottle when flipped.

### Features
- Standard bottle size screw-on cap
- Chaufdontaine size extra large screw-on-scap
- Keychain hanger
- Grippy sides
- Easily identifiable sides so you don't need to keep flipping it like a USB drive
- An XL bottle cap that will also fit on the more recent trend of handing out even larger "earth water" bottles.

**How to print this?**
This can be printed without supports, printing it with supports doesn't add much other than being a headache to remove. Apart from that I just used simple PLA.

**Why would you need this?**
At a lot of (at least dutch) festivals the bottle cap will be removed from water bottles you purchase on-site. Since it is quite annoying to have to walk around with an open bottle the entire time, I designed this.

**What sizes are you using for the threads?**
The chaudfontaine thread is a triple helix with the following settings for each