Coke Soda bottle screw fitting

I have a couple of useful printed tools that take a coke bottle as part of the product like the vacuum cyclone filter (http://www.thingiverse.com/thing:1447214) or bottle top wasp trap (http://www.thingiverse.com/thing:1786409) but wanted to use a different type of pot. I don't drink much coke and soda so didn't have any bottles ... but we do have a lot of plastic pots from ready made pasta sauces so I took the coke screw fitting from the match case remixed it to onto a simple base. I've cut a 2