Bernoulli Demonstration Venturi

Venturi connects to a utility vacuum cleaner for actually demonstrating Bernoulli's Principle for a science fair project
Includes cut-away and drawings.
Prints on most 3d printers - 209mm tall
Note: Blowing over a piece of paper has nothing to do with Bernoulli's principle. https://youtu.be/mtwTOdEQ0P0
Video demonstrating the venturi and some construction tips: https://youtu.be/ellye2902ug
Other materials required: 1/4 inch OD and 1/8 inch OD tubing, tape, 5 minute epoxy or similar