2023 Cley Hill formation
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Reconstruction of the 2023 Cley Hill formation | ||
| 1. |
| Draw a circle. Draw and extend the horizontal and vertical centerlines. |
| 2. |
| Construct the inscribed nonagon (regular 9-sided polygon) of cirle 1, pointing up. |
| 3. |
| Draw the diagonal of nonagon 2 from the top to the lower lefthand angular point. |
| 4. |
| Construct a circle concentric to circle 1, passing through the intersection of diagonal 3 and the horizontal centerline. |
| 5. |
| Draw the diagonal of nonagon 2 from the lower lefthand to the upper righthand angular point, next to the top. |
| 6. |
| Construct a circle centered at the righthand intersection of circle 4 and the horizontal centerline, passing through the intersection of the horizontal centerline and diagonal 5. |
| 7. |
| Copy circle 6 to the top of nonagon 2. |
| 8. |
| Construct a circle concentric to circle 1, tangent to circle 7 at the upper side. |
| 9. |
| Circles 1, 4, and 8, together, make up the final reconstruction. |
| 10. |
| Colour all areas corresponding to standing... |
| 11. |
| ...or to flattened crop, and finish the reconstruction of the 2023 Cley Hill formation. |
| 12. |
| The final result, matched with the aerial image, rotated 180°. |
| Copyright © 2023, Zef Damen, The Netherlands |
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