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| Pythagoras theorem : dodecagon |
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| Archimedes' trisection |
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| 15-gon construction |
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| Nonagon construction, 9-gon construction |
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| Tessellations : nonagon |
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| Tessellations : dodecagon |
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| 6 sided spiral |
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| Tessellations : hexagon |
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| Cube |
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| Hexagon and golden ratio |
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| Hexagon : lines |
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| Triangular-hexagonal tessellation |
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| Radial geometry |
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| Pythagoras theorem and hexagons |