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- 3.2.39 Bisection
- 3.2.40 Equal Divisions
- 3.2.41 Divisions to a ratio
- 3.2.42 Perpendicular from a line point
- 3.2.43 Perpendicular from a point above a line
- 3.2.44 Forty-five degree angle from a line point
- 3.2.45 Bisected angle
- 3.2.46 Trisected angle
- 3.3.48 Erection of a square
- 3.3.49 Alternative erection of a square
- 3.3.50 Harmonic expansion of a rectangle
- 3.3.52 Geometric expansion of a rectangle
- 3.3.54 Erection of an equilateral triangle
- 3.3.55 Polygon generation
- 3.3.56 Hexagon generation

- 3.3.57 Octagon from segmentation of a circle
- 3.3.58 Octagon as the truncation of a square
- 3.4.60 Expansion from circle to arc
- 3.4.61 Arc to chord construction
- 3.4.62 Finding arc's focal point
- 3.4.64 Gothic arc construction
- 3.4.66 Lancet arc construction
- 3.4.68 Semi-ellipse station point generation
- 3.4.69 Elliptical arch generation from circles
- 3.4.70 Elliptical arch generation from melded circles
- 3.4.72 Volute generated from a gridwork of focal points
- 3.5.76 Sine curve generation
- 3.5.78 Truncated quadrant
- 3.5.79 Elliptical curve

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1. Extend lines from each side of a square

2. Swing an arbitrary arc from the top-right corner down to the baseline

3. Swing from the top-left corner using the intersection of the first arc with the baseline as the radius

4. Repeat with the last two corners to complete the volute