Zach Smith, fellow NYCResistor and Founder of The RepRap Research Foundation decided that for Lazzzorbattle 2008, he wanted to do something cool. In QCAD, he mocked up a peristaltic pump and after about 5 versions, he had it working and the entire design is cut out of 12" x 12" x 1/4" of acrylic!
Peristaltic pumps are used to pump liquids that you don't want touching any mechanical parts. By squishing a tube, the pump can keep the liquid sterile. These pumps are used in medical situations for pumping blood.
You can go check it out the design on Thingiverse and make your own!
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