It is never been easier to design antennas! Most hams enjoy ``fiddling'' with antennas, but comparatively few of us are really interested in doing one-handed chin-ups at fifty feet above the cold frozen earth on a snowy and windy night in January.
Jiffy will make life a lot easier for you. It can make a drawing from the antenna design that you made and it can display elevation and azimuth patterns from the nec output.