You can find Casey’s website at kcknits.com.
More links from the interview with Sarah Kuhn from UMass Lowell
Sarah’s blog
The original story about the STEM program
How to make a crocheted hyperbolic plane
Ted Talk on hyperbolic planes
The podcast episode with psychologist Art Markman can be found here.
The ball winder and swift I have from The Woolery:
Ball winder
Swift (the photo shows the “floor” model, I have the “table” model)