Okay pay attention because this is very important. This thing holds your drink without spilling until you press the button to take a sip.
The PDF drawing at the bottom of the downloads section has all Assembly Instructions and a Bill of Materials that lists parts needed and their quantities. There are versions for both Metric and Imperial screws. Print the Holder, Button and Button Plug with 100% infill and the Handles with about 33% infill. I had to disable retracts while printing the Button. Your printer should hold a tolerance of about .010" if you want this thing to work properly, and you'll probably have to clean up the parts a little bit after printing to get it working smoothly. Harder materials are better for reducing the effects of friction, so if you have some