Checked Gingham 2 Part Picnic Parisian Goblet

This is my entry in the New Museum Challenge.
I hope that the experimental dual extrusion is included in the rules under "...and printable on a MakerBot Thing-O-Matic."

A two colour gingham picnic goblet that can be dismantled, inverted and re assembled for convenience when stored or travelling, and once closed should stop any sticky residue from the day's drinks messing up the inside of your bag, to save you washing it before you pack it away to come home.

A QRCode can be embedded in th