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Working with drawings - Using entity snaps

Perpendicular Snap tool

Use the Perpendicular Snap tool to snap to the perpendicular point of another entity. You can snap to an arc, circle, line, polyline, infinite line, ray, spline, hatch pattern or edge of a plane to form a perpendicular alignment with that entity or with an imaginary extension of that entity.

To set the Perpendicular Snap
  1. Do one of the following:
  2. Choose Format > Entity Snap > Perpendicular Snap.
  3. On the Object Snaps toolbar, click the Snap to Perpendicular tool (
  4. ).
Type perpendicular and then press Enter.

To form a perpendicular angle ( A ) to an entity ( B ), select anywhere on the entity.