Contents

• Contents
• Introduction
• First Level Tetraflexagon
  • Tukey triangles
  • Flexagon permutations
  • First level normal tetraflexagon cutout
  • First level tubulating tetraflexagon cutout
  • Alternative first level tubulating tetraflexagon cutout
• Binary Tetraflexagon
• Second Level Tetraflexagon
  • Second level normal tetraflexagon
  • Second level tubulating tetraflexagon
• Third level tetraflexagon
• General Tetraflexagon, Flexatube, or Bregdoid
• First Level Flentagon
• Binary Flentagon
• Second Level Flentagon
• First Level Flessagon
• Binary Flessagon
• Second Level Flessagon
  • Tukey hexagons
  • Second level permutations
• First Level Heptagonal Flexagon
• First Level Octagonal Flexagon
• Mixed Flexagon
  • Tukey triangles
  • Mixed permutations
  • 3-4-3 Tukey triangles
  • 3-4-3 Mixed permutations