How do I find the exact meeting point of 2 lines? How do I find the exact meeting point of 2 lines? I'd like to locate this place, and add a vertex on it. Preferably no python.

Here are some examples that the solution will need to solve for:


Tracing down 2 lines

Tracing up one, down another 
Tracing to a line 


here is a 



for testing.

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This works 100% with perpendiculars, still trying to find a method for non-perpendiculars.


Enable edge snapping.
turn the transform orientation to normal.
make the pivot point median points.
use the transform (should be Z) handles to drag the point to the edge.


Done