- Apollonian gasket: recursively pack circles
- Bezier curves: a simple way to draw curves
- Billard: repeatedly reflecting a line on geometry
- Colors: Nice color schemes
- Differential equations: Drawing complex shapes using math
- Miscellaneous geometric operations
- Hexagonal geometry: Anything is nice when you use hexagons
- Interpolation
- Iso lines, also known as height lines from mapping
- Penrose tiling: tiling the floor, but interesting
- Point sampling: random, but not too random
- Polygon triangulation: subdividing polygons using triangles
- Voronoi diagrams