- Geodesic raytracer » This article describes a shadertoy example implementing a geodesic raytracer through curved space
- 2nd order distance estimator to an implicit surface » This article describes a shadertoy example using a 2nd order estimator for implicit surface distances
- Curvature Computation and Visualization of Implicit Surfaces » This article describes a shadertoy example computing and visualizing curvature on implicit surfaces
- Visualization of coordinate transform stretching » This article describes a shadertoy example visualizing the stretching of coordinate transforms