Reconstruction of theAllington 24-06-1999 formation | |||||

1. |
Draw a circle. Draw and extend the horizontal and vertical centerlines. | ||||

2. |
Construct the inscribed hexagon (regular six-sided polygon) of circle 1, pointing to the right. | ||||

3. |
Draw the three diagonals between the corresponding opposite angular points of hexagon 2. | ||||

4. |
Draw two diagonals of hexagon 2, between the upper righthand and lefthand, and between the upper lefthand and righthand angular points. | ||||

5. |
Construct a circle tangent to lines 4 and tangent to the horizontal centerline. | ||||

6. |
Copy circle 5 to the center of circle 1. | ||||

7. |
Draw the connecting line between the intersections of circle 6 with the righthand and lower righthand parts of diagonals 3, as shown. Extend this line upto the upper righthand side of hexagon 2. | ||||

8. |
Copy circle 5 to the intersection of hexagon 2 and line 7. | ||||

9. |
Draw the connecting line between the intersections of circle 8 with the upper righthand part of diagonals 3 and line 7, as shown. Extend this line downto the lower righthand side of hexagon 2. | ||||

10. |
Construct a circle concentric to circle 1, tangent to line 7. | ||||

11. |
Copy circle 10 to the intersection of line 9 and the horizontal centerline. | ||||

12. |
Draw the connecting line between the righthand intersection of circle 11 with the horizontal centerline and its lower intersection with line 9, as shown. Extend this line downto the lower righthand part of diagonals 3. | ||||

13. |
Construct a "two-points" circle (defined by the two end-points of a centerline) between the center of circle 10 and its righthand intersection with the horizontal centerline. | ||||

14. |
Copy circle 13 to the righthand intersection of circle 1 and the horizontal centerline. | ||||

15. |
Construct a circle concentric to circle 1, tangent to circle 14 at the righthand side. | ||||

16. |
Remove from diagonals 3, and lines 7, 9, and 12, all redundant parts, such that... | ||||

17. |
...this pattern remains. | ||||

18. |
Repeat all the necessary steps to copy and rotate pattern 17 two times, with respect to the other corresponding angular points of hexagon 2, as shown. | ||||

19. |
Circles 1 and 15, hexagon 2, and patterns 17 and 18, together, make up the final reconstruction. pdf-file | ||||

20. |
Colour all areas corresponding to standing... pdf-file | ||||

21. |
...or to flattened crop, and finish the reconstruction of the Allington formation of 24-06-1999. pdf-file | ||||

22. |
Photo by: Steve Alexander | The final result, matched with the aerial image. | |||

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Copyright © 2021, Zef Damen, The Netherlands Personal use only, commercial use prohibited. | |||||