The cyan and yellow shapes are planar but not aligned with the view (Front).
I want to draw a line in the same plane as the object highlighted in yellow that follows part of the blue line segment.
I have done both CPLANE by OBJECT and CPLANE by 3 Points and have enabled PRojOSNAP.
When I try to trace the cyan line in the CPLANE the line is always set (In red here). How can I get the line to be aligned with the cyan line from the perspective of the front view and have the line lie in the CPLANE defined by the yellow shape?