Reconstruction of the
2014 Black Wood formation |
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1. |
| Draw a circle. Draw the horizontal and vertical centerlines.
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2. |
| Construct the inscribed equilateral triangle of circle 1, pointing up.
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3. |
| Construct the inscribed equilateral triangle of circle 1, pointing down.
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4. |
| Construct a circle, passing through the top of triangle 2, and passing through the lefthand and righthand intersections of triangles 2 and 3.
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5. |
| Copy circle 4 to the center of circle 1.
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6. |
| Draw the connecting line between the upper intersections of circle 5 with the lefthand side of triangle 2 and the righthand side of triangle 3.
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7. |
| Construct a circle concentric to circle 1, tangent to line 6.
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8. |
| Draw the connecting line between the top of triangle 2 and the intersection of its lower side with the lefthand side of triangle 3.
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9. |
| Construct a circle centered at the intersection of line 8 and the horizontal centerline, passing through the upper intersection of circle 7 and the vertical centerline.
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10. |
| Copy circle 9 to the center of circle 1.
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11. |
| Construct two circumscribed equilateral triangles of circle 10, one pointing to the left, one to the right.
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12. |
| Construct two circumscribed equilateral triangles of circle 7, one pointing to the left, one to the right.
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13. |
| Construct a circle concentric to circle 1, passing through the angular points of triangles 11.
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14. |
| Draw the three diagonals of the hexagram (regular six-pointed star) made up by triangles 12, as shown.
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15. |
| Draw the three diagonals of the hexagon (regular six-sided polygon) enclosed by triangles 12, as shown.
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16. |
| Circles 1 and 13, triangles 11 and 12, and diagonals 14 and 15, are used for the final reconstruction.
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17. |
| Remove all parts not visible within the formation itself.
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18. |
| Colour all areas corresponding to standing...
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19. |
| ...or to flattened crop, and finish the reconstruction of the 2014 Black Wood formation.
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20. |
| The final result, matched with the aerial image.
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