Inversions and Projections

Chip Rollinson, Jan 4, 2019


  • 1. What?
  • 2. Inversion in a square
  • 3. Inversion in a spline
  • 4. Inversion from an equilateral triangle to a regular 60-gon
  • 5. Pappus Chain
  • 6. Reflection in a Circle
  • 7. Different Multiples, Selected Mods, with Inversion
  • 8. Stereographic projection
  • 9. Stereographic Projection of an Array of Circles
  • 10. Stereographic Projections of Some Common Functions
  • 11. Stereographic Projection of Coordinate Grid to Sphere
  • 12. Projecting the Plane onto a Sphere
  • 13. Sexteto de Soddy

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What?

Move the red points around. Cool, huh?
– Chip Rollinson

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