Air Amplifier or Blade-less fan
thingiverse
This is an air multiplier design, one that I've opted to create without holes in it due to unsatisfactory CFD results near the trailing edge of the aerofoil. Instead, I'll be using a 40mm x 40mm fan and adding a small extension duct to complete the build, which is still very much a work-in-progress.
Download Model from thingiverse
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