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Is this a surface or a solid? If it's a surface, the 3D Wireframe option should be turned on.
Try some of the other view generation options. I think what you have in the upper-right corner (EXACT mode) is the best view for a drawing, although the upper-left (APPROXIMATE mode) looks identical to what you did manually.
It doesn't matter if it is a solid or surface, but i need the lines to be visible as per the manual drawing in the image above. I am not able to get all of those lines, but I have seen few cases where it was possible. All the tangential lines would be of different thickness than the boundary lines. The problem is I am unable to get all the tangential lines which is on the part. Is it possible to change some settings or standards to solve my problem? I need these lines to appear in EXACT mode. It does appear in APPROXIMATE mode though.