Reconstruction of theSilbury Hill 4-06-2002 formation |
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1. |
Draw a circle. Draw the horizontal and vertical centerlines. | ||||

2. |
Construct a circle centered at the upper endpoint of the vertical centerline, passing through the right (and left) endpoint of the horizontal centerline. | ||||

3. |
Repeat this three times for the other endpoints of both centerlines. | ||||

4. |
Copy circle 2 four times to the outer mutual intersections of circles 2 and 3. | ||||

5. |
Construct a circle with its centerline between both intersections of the two upper circles 4. Repeat this for the two lower circles 4. | ||||

6. |
Construct a circle concentric with the rightmost circle 3, tangent to upper left circle 4 at the near side. | ||||

7. |
Repeat this for the leftmost circle 3, tangent to the upper right circle 4. | ||||

8. |
Construct a square, tangent to and enclosing all circles 4. | ||||

9. |
Construct the circumscribed circle of square 8. | ||||

10. |
Extend the horizontal centerline up to circle 9 to the right. | ||||

11. |
Construct the circumscribed square of circle 9 with its sides parallel to those of square 8, as shown. | ||||

12. |
Construct the circumscribed circle of square 11. | ||||

13. |
Construct a circle centered at the upper right corner of square 8, tangent to the closest circle 4, at the near side. | ||||

14. |
Construct a circle, tangent to circle 13 at the upper right side, and tangent to both the right and upper sides of square 11. | ||||

15. |
Construct a circle centered at the upper right corner of square 11, tangent to circle 14, at the near side. | ||||

16. |
Construct a line, tangent to circles 13 and 15 at their upper left sides. | ||||

17. |
Construct a circle concentric to circle 14, tangent to line 16. | ||||

18. |
Construct a circle concentric to circle 1, passing through the center of circle 17 (and 14). | ||||

19. |
Draw the connecting line between the upper right and the lower left corners of square 11. | ||||

20. |
Copy circles 13, 15 and 17 to the opposite intersections of line 19 and circles 9, 12 and 18 respectively. | ||||

21. |
Draw a line from the right intersection of circles 1 and 2 and the upper left intersection of circles 2 and 3. Repeat this for the left intersection of circles 1 and 2 and the mutual intersection of circles 3 at the lower right. | ||||

22. |
Extend both lines 21 up to circle 12, the first to the upper left, the other to the lower right. | ||||

23. |
Copy two sets of circles 13, 15 and 17 to the respective intersections of lines 22 and circles 9, 12 and 18. | ||||

24. |
Circles 1, 2, 3, 4, 5, 6, 7, 13, 15, 17, 20 and 23 together form the basis for the final reconstruction. | ||||

25. |
Remove all parts of these circles not visible in the formation. High resolution dwf-file | ||||

26. |
Making black all areas corresponding to flattened crop finishes the reconstruction of the Silbury Hill 4-06-2002 formation. | ||||

27. |
courtesy The Crop Circle Connector photo by: Steve Alexander | The final result, matched with the aerial image. | |||

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Copyright © 2002, Zef Damen, The Netherlands Personal use only, commercial use prohibited. | |||||

Since 1-Februari-2005 |