constructing tangent in illustrator

alexfjelldal's picture

How do i construct a line that is that is the tangent of two different curves? i know there has been a discussion on ths already, but I'm looking for an easy method.

alexfjelldal's picture

Here's the picture i tried to attach:

oldnick's picture

In CorelDraw, what I usually do in such instances is draw the straight line as a true vertical, then rotate it to as close an ideal position as possible, taking note of the angle of rotation. I then Undo the rotation, select the two ellipses, rotate them to the noted angle, rotate my line 90° to true horizontal, then Align Top for all three objects. The points of intersection are then true tangents. I perform any curve editing necessary, then rotate the group or new object the same number of degrees in the opposite direction.

maxgraphic's picture

My smug answer is: use FreeHand, which has tangent points. But if that's not an option, would the "Common Tangents" script work?

brianskywalker's picture

Fontforge has tangent points also... Though that might not be what you're looking for.

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