- Rearranging the Moebius Configuration
- Galois-tesseract structure notes
- The Oslo version
- Space structure
- The square model of PG(3,2)
- 110922-TriquetrumCube
- Some small finite spaces
- Geometry simplified
- A four-color theorem
- Froebel's Third Gift hands-on
- The eightfold cube and internal structure
- Eightfold cube and related spaces
- The 2-subsets of a 6-set are the points of a PG(3,2)
- Picturing outer automorphisms of S6
- Hudson and finite geometry