Chris Lynas: 3d Printing the World's Most Pointless Desk Fan
Channel: Electromagnetic Field
Date: 2016-08-06

https://media.ccc.de/v/emf2016-16-3d-printing-the-worlds-most-pointless-desk-fan

The aerodynamics of turbomachinery, precise CAD, testing, induction motor design and the importance of prime numbers were all topics that I failed to consider when I set out to design a desk fan that looks like a jet engine.  In this talk I will describe all of the fascinating things that I only discovered in retrospect as I took a donor desk fan and made something that was worse in almost every single way.

Chris Lynas