An interactive introduction to rotors from geometric algebra (2018)

4D Toys Update 8: Rotating the 3D Slice, 2D Faces Projections, Marble Scenes

Let's remove Quaternions from every 3D Engine

4D Toys: Klein Bottles

Miegakure Update September 2021

4D Toys: how objects bounce and roll in 4D – paper accepted to SIGGRAPH 2020

Let's remove quaternions from every 3D engine (2018)

Let's remove Quaternions from every 3D Engine

4D Toys: a box of four-dimensional toys

The World of Miegakure

How to walk through walls using the 4th dimension [video]