Ortho and Polar Tracking
Ortho mode aids in drawing orthogonal (horizontal or vertical) lines. Polar Tracking is more flexible than Ortho mode, with the ability to constrain lines to increments of a set angle. A list of common angles is included on polar tracking toggle's context menu, such as 45°, 30°, 22.5°, 10°, and so on. The traditional square and a set of triangles from traditional drafting are analogues to AutoCAD's Ortho and Polar Tracking modes.
When Polar Tracking is set to 90°, it functions identically to Ortho mode.
Let's try Ortho and Polar Tracking modes by drawing a series of line segments. You'll use Ortho when the segments are 90° apart and Polar Tracking when the segments are drawn at other angles.
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