Python - Ray Tracer Challenge Working through the book: The Ray Tracer Challenge A Test-Driven Guide to Your First 3D Renderer by Jamis Buck https://pragprog.com/titles/jbtracer/the-ray-tracer-challenge/ Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 - Reflection Chapter 11 - Refraction Chapter 12 - Cubes