Most of the professional 3D CAD/CAM apps. are pure OpenGL. But I agree, there are few open-source ones. So it is quite difficult to find something useful for debugging. An option should be to write testcases, but it is out of my skills...
Most of the professional 3D CAD/CAM apps. are pure OpenGL. But I agree, there are few open-source ones. So it is quite difficult to find something useful for debugging. An option should be to write testcases, but it is out of my skills...
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