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