Reconstruction of the 2014 Green Street formation | ||

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

2. |
Construct the inscribed regular 13-sided polygon of circle 1, pointing down. | |

3. |
Construct the inscribed circle of polygon 2. | |

4. |
Construct the circumscribed regular 13-sided polygon of circle 1, pointing up. | |

5. |
Construct a circle centered at the mid-point of the lower side of polygon 4, passing through the lowest righthand angular point. | |

6. |
Copy circle 5 to the lower intersection of circle 3 and the vertical centerline. | |

7. |
Draw the connecting line between the intersections of circles 3 and 6. | |

8. |
Construct a circle centered at the righthand intersection of circle 6 and the lower side of polygon 4, passing through the righthand intersection of circles 1 and 6. See detail. | |

9. |
Copy circle 8 to the intersection of line 7 and the vertical centerline. | |

10. |
Construct a circle centered at the righthand intersection of circles 3 and 6, tangent to circle 9 at the righthand side. | |

11. |
Construct a circle concentric to circle 6, passing through the righthand intersection of circles 3 and 10. | |

12. |
Copy circle 11 twelve times, six to the left, six to the right. The first to the lefthand intersection of circles 3 and 11, then five consecutively to the corresponding intersections, the next one to the righthand intersection of circles 3 and 11, and finally five consecutively to the corresponding intersections, as shown. | |

13. |
Copy circle 6 twelve times, to the centers of circles 12. | |

14. |
Copy circle 10 two times, to the centers of the upper lefthand and righthand circles 13. | |

15. |
Draw two lines, from the center of circle 1, tangent to circles 14 at the inner sides (closest to the vertical centerline), and extend these lines upto circle 3. | |

16. |
Copy circle 11 to the center of circle 5. | |

17. |
Construct a circle concentric to circle 1, tangent to circle 16 at the upper side. | |

18. |
Construct a circle centered at the upper intersection of circle 11 and the vertical centerline, tangent to circle 16 at the upper side. | |

19. |
Construct a circle concentric to circle 1, tangent to circle 18 at the upper side. | |

20. |
Copy circle 5 to the center of circle 1. | |

21. |
Construct a circle concentric to the upper righthand circle 13, passing through the righthand intersection of the upper lefthand circle 13 and circle 1. | |

22. |
Construct a circle concentric to the upper righthand circle 13, tangent to the lefthand circle 14 at the righthand side. | |

23. |
Construct a circle centered at the intersection of lefthand line 15 and circle 20, passing through the upper intersection of circle 20 and the vertical centerline. | |

24. |
Copy circle 23 to the center of circle 1. | |

25. |
Construct a line tangent to circles 23 and 24 at the righthand sides, and extend this line down to circle 20. | |

26. |
Construct a circle centered at the lower intersection of circle 19 and the vertical centerline, tangent to circle 17 at the lower side. | |

27. |
Copy circle 26 to the center of circle 1. | |

28. |
Copy circles 21 and 22 to the lower intersection of circle 27 and line 25. | |

29. |
Construct a circle centered at the upper intersection of circle 26 and the vertical centerline, passing through the center of circle 18. | |

30. |
Copy circle 29 to the intersection of righthand line 15 and inner circle 28. | |

31. |
Circles 1, 3, 6, 13, 17, 19, 20, 28 and 30, and lines 15, are used for the final reconstruction. | |

32. |
Remove all parts not visible within the formation itself. | |

33. |
Colour all areas corresponding to standing... | |

34. |
...or to flattened crop, and finish the reconstruction of the 2014 Green Street formation. | |

35. |
The final result, matched with the aerial image. |

Copyright © 2014, Zef Damen, The Netherlands |