2026 Roundway Hill (2) formation
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Reconstruction of the 2026 Roundway Hill (2) formation | ||
| 1. |
| Draw a circle. Draw the horizontal and vertical centerlines. |
| 2. |
| Construct the inscribed regular 11-sided polygon of circle 1, pointing up. |
| 3. |
| Construct the inscribed circle of polygon 2. |
| 4. |
| Construct the inscribed equilateral triangle of circle 3, pointing up. |
| 5. |
| Construct the inscribed circle of triangle 4. |
| 6. |
| Construct the inscribed regular 13-sided polygon of circle 3, pointing down. Number the angular points clockwise 1 - 13, starting next from the top to the right. |
| 7. |
| Draw two connecting lines, between angular points 6 nrs. 1 and 10, and nrs. 4 and 13. |
| 8. |
| Construct a circle concentric to circle 1, passing through the mutual intersection of lines 7. |
| 9. |
| Construct the inscribed equilateral triangle of circle 8, pointing up. |
| 10. |
| Construct the inscribed circle of triangle 9. |
| 11. |
| Copy circle 10 to the lower intersection of circle 5 and the vertical centerline. Move this circle (copy and delete original) to its own upper intersection with the vertical centerline. |
| 12. |
| Draw all other diagonals of polygon 6, similar to lines 7, as shown. |
| 13. |
| Circles 1, 5, and 11, and lines 7, and 12, together, make up the final reconstruction. |
| 14. |
| Colour all areas corresponding to standing... |
| 15. |
| ...or to flattened crop, and finish the reconstruction of the 2026 Roundway Hill (2) formation. |
| 16. |
| The final result, matched with two aerial images. |
| Copyright © 2026, Zef Damen, The Netherlands |
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