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Drawing A Scotia


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The Scotia (quadrants and elliptical) - a decorative element typical of Classical architecture

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Drawing A Scotia

  1. 1. Drawing a scotia (Quadrants and elliptical) _ Stonemasonry technical skills at SkillsTech Australia
  2. 2. <ul><li>Method </li></ul><ul><li>Lay out a grid </li></ul><ul><li>Find the centre points of quadrants and their common point (confluence) </li></ul><ul><li>Scribe curves and add fillets at top and bottom of scotia </li></ul>Scotia construction: (Quadrants and elliptical)
  3. 3. Step 1: Draw a grid of squares and mark out curve centres and confluence Quadrants
  4. 4. Step 2: D raw the first quadrant to the confluence point Quadrants
  5. 5. Step 3: Draw the second quadrant, meeting the first quadrant at the confluence point Quadrants
  6. 6. Step 4: Add fillets at top and bottom Quadrants
  7. 7. Step 5: Clean up construction lines and draw outlines Quadrants
  8. 8. Step 6: Draw a horizontal centre line, and a line at 60 0 to it Elliptical
  9. 9. Step 7: Step off three times up and down from the centre line Elliptical
  10. 10. Step 8: Step off three times horizontally from the top and bottom, and mark the first radiating intersection point Elliptical
  11. 11. Step 9: Step off an equal amount to mark the second radiating point Elliptical
  12. 12. Step 10: Draw the first set of radiating intersection lines Elliptical
  13. 13. Step 11: Draw the second set of radiating intersection lines Elliptical
  14. 14. Step 12: Mark the points of the curve Elliptical
  15. 15. Step 13: Draw the curve freehand Elliptical
  16. 16. Step 14: Clean up the construction lines. Add fillets, and draw outlines Elliptical