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Sy's Designs
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    This page has been visited times since Sept. 28, 1997

    Revised on  Jan 08, 2016
    © Shi-Yew (Sy) Chen

    Geometry

    $ Lucky Star
    From 3x7 (or US dollar bill)
    Design Date 2004
    Diagram Date 1/20/2005
    Inspiration Chinese Lucky Star from strip
    Diagram(s)
  • Bay Area Rapid Folders Newsletter by Jeremy Shafer, Winter 2005.
  • Origami Collection 2005 by OrigamiUSA 2005.
  • Green Origami Gifts by Sy Chen, 2011. :
  • 13 Faced Diamond
    From Square
    Design Date 3/2014
    Diagram Date 4/2014
    Inspiration 13th Polish Convention challenge
    The Great Golden Pyramid
    Description Geomety ratio contains golden section and circumferential parameter
    From Square
    Design Date 4/3/02-4/4/02
    Diagram Date 4/2002
    Inspiration By the illustration of the book, "Sacred Geometry" by Miranda Lundy
    Diagram(s)
  • NOA Symposium Diagram Collection by NOA, Summer 2002.
  • Icosahedron
    Description One from paper-backed foil; one from NT$50 bill. NT bill has aspect ratio slightly longer than 4/Ö3»2.31
    From 4/Ö3 Rectangle
    Design Date 9/25/2001
    Kelper's Star
    From 2x1 rectangle
    Design Date 2/2002
    Stellated Tetrahedron
    From Square
    Design Date 6/14/2001
    Tesseract Unfolded
    Description A 4D cube unfolded to 3D form.
    From 13x8 rectangle
    Design Date 12/2008
    Inspiration Inspired by Wendy Brattt's rotating tesseract challenge.
    Yet Another Jackstone
    Description Both John Montroll and I came up with the same pattern independently
    From Square
    Design Date 3/12/02-3/13/02
    Inspiration Jack Skillman's Jackstone
    Diagram(s)
  • OrigamiUSA 2003 Origami Collection by OrigamiUSA 2003.