Zef Damen Site Overview

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Crop Circle Reconstructions
Esoterics
Line Patterns
Lego Clock
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Professional Pages
         Service Controlled Agile Logistics (SCAL)
         Flexible Mail Processing
         Systems Theory

Crop Circle Reconstructions
         What are crop circle reconstructions?
                  Ruler-and-compass constructions
                           How to copy a circle according to the "strict" ruler-and-compass method?
                           How to bisect a given angle?
                           How to construct a perpendicular bisector?
                           How to construct a perpendicular line through a given point (1)?
                           How to construct a perpendicular line through a given point (2)?
                           How to construct the centerlines of a circle?
                           How to construct an equilateral triangle, given one side?
                           How to construct an equilateral triangle, inscribed in a given circle?
                           How to construct a pentagon, inscribed in a given circle?
                           How to construct a hexagon, given one side?
                           How to construct a hexagon, inscribed in a given circle?
                           How to construct a heptagon?
                           How to construct an arbitrary regular N-sided polygon, inscribed in a given circle?
                           How to construct any circumscribed regular polygon,
                                    given the corresponding inscribed regular polygon?
                           How to construct a line parallel to a given line, passing through a given point?
                           How to construct a line parallel to a given line at a given distance?
                           How to divide a given line into an arbitrary number of equal parts?
                           How to construct a circle tangent to a given circle at the near side,
                                    from a center inside that circle?
                           How to construct a circle tangent to a given circle at the far side,
                                    from a center inside or on that circle?
                           How to construct a circle tangent to a given circle at the near side,
                                    from a center outside that circle?
                           How to construct a circle tangent to a given circle at the far side,
                                    from a center outside that circle?
                           How to construct a circle tangent to a given line?
                           How to construct a line tangent to a given circle?
                           How to construct a line tangent to two given circles of different sizes?
                           How to construct a line tangent to two given circles of equal sizes?
                           How to construct a circle passing through three given points (not on one line)?
                           How to construct a "two-points" circle,
                                    passing through the two end-points of a given centerline?
                           How to construct a Vesica Pisces (two equal circles passing through each other's center),
                                    given one circle?
                           How to construct a Vesica Pisces (two equal circles passing through each other's center),
                                    with a given radius and a given common center?
                           How to construct a Vesica Pisces (two equal circles passing through each other's center),
                                    inscribed in a given circle?
                  Non ruler-and-compass constructions (1)
                  Non ruler-and-compass constructions (2)
         Downloadable picture files
         Reconstructions of 2016
         Reconstructions of 2015
         Reconstructions of 2014
         Reconstructions of 2013
         Reconstructions of 2012
         Reconstructions of 2011
         Reconstructions of 2010
         Reconstructions of 2009
         Reconstructions of 2008
         Reconstructions of 2007
         Reconstructions of 2006
         Reconstructions of 2005
         Reconstructions of 2004
         Reconstructions of 2003
         Reconstructions of 2002
         Reconstructions of 2001
         Reconstructions of 2000
         Reconstructions of 1998 and 1999

Esoterics
         Maitreya, who is that? (1)
         Maitreya, who is that? (2)
         Maitreya, who is that? (3)
         References

Line Patterns
         Line Art 1
         Line Art 2
         Dual of a pattern
         Quasi-Circles
         Sevenstar
         Gallery
                  Varia 1
                  Varia 2
                  Varia 3
                  Varia 4
                  Varia 5
                  Varia 6
                  Varia 7
                  Varia 8
                  Varia 9
                  Varia 10
                  Varia 11
                  Varia 12
                  Varia 13
                  Varia 14
                  Varia 15
                  Circles 1
                  Circles 2
                  Circles 4
                  Circles 5
                  Circles 6
                  Circles 8
                  Circles 10
                  Circles 19
                  Circles 20a
                  Circles 20b
                  Circles 20c
                  Circles 20d
                  Circles 20e
                  Circles 20f
                  Circles 25
                  Circles 39
                  Circles 43
                  Circles Varia 1
                  Circles Varia 2
                  Squares 1
                  Squares 2
                  Squares 3
                  Squares 4
                  Interweaving 1
                  Interweaving 2
                  Triangles
                  Impossible Figures
                  Cubicles 1
                  Cubicles 2
                  Cubicles 3
                  Diamonds 1
                  Diamonds 2
                  Trees of Pythagoras
                  Six-sided Polygons
                  Seven-sided Polygons

Lego Clock
         Lego clock
         Download files
         Video clips



Nederlandse versie Nederlandse versie Last updated: 3-August-2017


Since 1-February-2005