2004 Coombe Abbey formation
|
Reconstruction of the 2004 Coombe Abbey formation | ||
| 1. |
| Draw a circle. Draw and extend the horizontal and vertical centerlines. |
| 2. |
| Copy circle 1 six times, three to the left and three to the right, the first pair to the lefthand and righthand intersections of circle 1 with the horizontal centerline, the next pair to the corresponding intersections of the first pair, and so on, as shown. |
| 3. |
| Construct three circles concentric to circle 1, passing through the righthand intersections of consecutive circles 2 to the right with the horizontal centerline, as shown. |
| 4. |
| Construct a circle centered at the lefthand intersection of the leftmost circle 3 and the horizontal centerline, tangent to circle 1 at the righthand side. |
| 5. |
| Copy circle 4 two times, to the lefthand intersections of the other two circles 3 on the left and the horizontal centerline. |
| 6. |
| Repeat steps 4 and 5, mirrored with respect to the vertical centerline, as shown. |
| 7. |
| Draw the connecting line between all lower mutual intersections of circles 1 and 2, and extend it to the left. |
| 8. |
| Construct a line from the center of circle 4, perpendicular to line 7. |
| 9. |
| Construct a circle centered at the intersection of line 7 and the vertical centerline, tangent to the innermost circles 3 at the near sides. |
| 10. |
| Copy circle 9 to the intersection of lines 7 and 8. |
| 11. |
| Copy circle 1 to the center of circle 4. |
| 12. |
| Copy circle 9 to the lefthand intersection of circles 10 and 11. |
| 13. |
| Circles 1, 3, 4, 5, 6 and 12 make up all necessary parts for the final reconstruction. |
| 14. |
| Leave out all parts not visible within the formation itself. |
| 15. |
| Colour all areas corresponding to standing... |
| 16. |
| ...or to flattend crop. This will finish the reconstruction of the 2004 Coombe Abbey formation. |
| 17. |
| The final result, matched with the aerial image. |
|
Copyright © 2004,
Zef Damen, The Netherlands
|
