Hi Psygorn,

re:
> Hello guys, I have crossed upon new problem! You might be able to help :)
>
> I tried to create Tangent curve to red line at Point_1 and the green circle.

How about this - mirror green circle around magenta line, you can then use Circle or Arc tangent command, with the 2 green curves as the first tangent objects and third pick either snapping to Point_1 or getting a third tangent to the red line will work like this:



- Michael