Modern Geometry Links

Random cool geometry stuff
Optimality of Gerver's sofa

Triangulations
Principal Triangulation of Great Britain
The Great Trigonometrical Survey
Catalan numbers
Minggatu
Camille Jordan
Erich Schonhardt
Rotatable and 3D printable Schonhardt polyhedra

Art Galleries
Art Gallery Theorems and Applications
Maria Klawe

Convex sets and convex hulls
One application of convex hulls to autonomous driving
More applications of convex hulls
Convex hull algorithms
Convex hull algorithm visualizer
3D Gift wrapping
21 proofs of Euler's formula

Flip graphs
A point set in 6D with no flips
Rotatable 3D associahedron (Stasheff polyhedron)
Associahedron realizer

Delaunay triangulations
Thales' Theorem
Euclid's Elements

Voronoi diagrams
Voronoi diagram generator
Voronoi diagrams in the world
Spherical Voronoi diagrams
Fortune's parabolic front algorithm
Boris Delaunay
Seeing Dual program

Medial axes
Parabolas
Shape analysis
Medial axis in fonts
Medial axis in biological shape and medical imaging
Medial axis in image reconstruction and recognition
Medial axis in redistricting

Minkowski sums
The Gilbert-Johnson-Keerthi distance algorithm in action

Unfoldings
Albrecht Durer
Komei Fukuda
Unusual unfoldings
Affine unfoldings
Metamorphosis of the cube
Star unfoldings