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Geometry Primer (7) Polygonal Constructions Part 2


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Fee is non-refundable, except in the event of cancellation of the course by the host.

Pentagonal construction from an anonymous compendium, Persian circa 12th C, appended to an earlier work by Abu al-Wafa Al-Buzjani.

Taught by Richard Henry, this Geometry Primer  workshop is suitable for beginners, or those seeking to refresh their skills.

This is the seventh in a series of ON-LINE Geometry Primer workshops, introducing key geometric principles and ‘starter’ patterns. Each class length is limited to 90 minutes in length. There are 8 Primer sessions in total. 

This is the second of two sessions on polygonal constructions, the fundamental starting point of all traditional patterns. This week we will expand our study to examine the heptagon, enneagon, dodecagon and triskedecagon, referencing the work of such key historical geometers as Abu Wafa Al-Buzjani and Leonardo Da Vinci, as well as more recent practitioners. Although this can be taken as a stand-alone workshop, it will build upon the previous workshop Geometry Primer (6) Polygonal Construction Part 1, which can be downloaded from our archive. (Scroll through gallery in banner above to see images of historical designs typical of the patterns that we will examine in this series and former students’ work ).

REQUIRED equipment & materials

  • A compass (recommended compass is the Rotring Master Bow)
  • A ruler
  • Cartridge paper – A3 size ideally heavy weight (120gsm plus)
  • Range of Pencils (6B-4H)
  • Tracing paper
  • Masking Tape
  • Zero Eraser or equivalent
  • Optional – Coloured pencils.
  • Optional – Fine line drawing pens (useful to have, but not essential)

Heptagonal construction by John Michell

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