Zef Damen Site Overview

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 Home          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 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          Lego clock          Download files          Video clips Nederlandse versie Last updated: 20-April-2022 Since 1-February-2005