One Line Tangent One Circle or One Arc

Ribbon: Top Mechanical Draw > Construction > Tan. Line > Circle Projection

  • What
  • Draws a construction line tangent to a circle or to an arc giving an angle.
  • Why
  • The line becomes a reference in the drawing.
  • How
  • Select a circle or an arc, insert the angle with the keyboard or selecting a point (angle existing between the centre of the circle or of the arc, and the point it-self).

Example 15. One Line Tangent One Circle or One Arc

Command: Top_CstLTAng <ENTER> Base circle
              or arc: Angle of tangency <0>: <ENTER>