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Press-fit tubing-attachment flange for CO2 bubbles experiment. by toybuilder is licensed under the Attribution - Creative Commons license.
© 2012 by toybuilder
Instructions
Print.
Cut hole in jar.
Press-fit pieces to clamp the jar in between.
Attach tubing to the flange.
Place water + dry-ice in jar and seal the lid.
Use CO2-mist stream to blow bubbles at the other end of the tubing.