2016 Blackwood formation
|
Reconstruction of the 2016 Blackwood formation | ||
| 1. |
| Draw a circle. Draw and extend the horizontal and vertical centerlines. |
| 2. |
| Construct the inscribed hexagon (regular 6-sided polygon) of circle 1, pointing up. |
| 3. |
| Copy circle 1 six times, to the angular points of hexagon 2. |
| 4. |
| Copy hexagon 2 six times, to the centers of circles 3. |
| 5. |
| Copy circle 1 twelve times, to the outer angular points of hexagons 4. |
| 6. |
| Copy hexagon 2 two times, to the centers on the horizontal centerline of the leftmost and rightmost circles 5. |
| 7. |
| Copy circle 1 four times, to the leftmost and rightmost angular points of hexagons 6. |
| 8. |
| Circles 1, 3, 5, and 7, are used for the final reconstruction. |
| 9. |
| Remove all parts not visible within the formation itself. |
| 10. |
| Colour all areas corresponding to standing... |
| 11. |
| ...or to flattened crop, and finish the reconstruction of the 2016 Blackwood formation. |
| 12. |
| The final result, matched with the aerial image. |
| Copyright © 2016, Zef Damen, The Netherlands |
