Zef Damen
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Crop Circle Reconstructions
Esoterics
Line Patterns
Lego Clock
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Site overview (here)
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 2023
Reconstructions of 2022
Reconstructions of 2021
Reconstructions of 2020
Reconstructions of 2019
Reconstructions of 2018
Reconstructions of 2017
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
Video clips
Nederlandse versie
Last updated: 14-April-2024
Since 1-February-2005