World 2 · Tiling the Plane · 12 min · PRO
Regular tilings: why only three?
The 360° rule at every corner
PRO · Symmetry & Fractals
World 2: Tiling the Plane is part of PRO
The first world of Symmetry & Fractals is free. PRO opens the other 24 lessons in 6 worlds — simulations, quizzes and all.
PRO includes
- All 60 labs — every world, every lesson
- Practice exams and certificates
$8.33/mo, billed yearly ($99.99) · or $39.99 monthly