Rhino V7 (WIN) vs. V5, why does my line anti-alising look trash?

Unfortunately you are stuck with this for V7. We had to switch from very old OpenGL to modern OpenGL in order to support many other things. The one advantage of very old OpenGL was that the GPU vendors had some very good thin line drawing routines. This is not available in modern OpenGL. I do feel we made some improvements in this area in V8 though.

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