Presentation constructing a heptagon

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Presentation constructing a heptagon

  1. 1. Stonemasonry Department 2013Prepare Templates and MouldsConstructing a Heptagon (approximation)
  2. 2. Constructing a HeptagonBegin bymarking a circlewith the centrepoint C.C
  3. 3. Constructing a HeptagonBA CBegin by marking acircle with thecentre point C.Mark thediameter of thecircle to formline AB
  4. 4. Constructing a HeptagonBegin by marking acircle with thecentre point C.Mark the diameterof the circle to formline ABUsing centrepoints A and Band using BC as aradius constructarcs intersectingthe large circle toform points Dand EBA CD E
  5. 5. Constructing a HeptagonBegin by marking acircle with thecentre point C.Mark the diameterof the circle to formline ABBA CD EUsing centre pointsA and B and usingBC as a radiusconstruct arcsintersecting thelarge circle to formpoints D and EMark lines BDand CE to formpoint FF
  6. 6. Constructing a HeptagonConstruct an arcwith centre pointB and radius BFBA CD EF
  7. 7. Constructing a HeptagonConstruct an arcwith centre pointB and radius BFBA CD EFMark the diameterof the circle to formline AB
  8. 8. Developed by The Stonemasonry DepartmentCity of Glasgow College2013

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