anyone seen this before? Assembly consists of about 1000 parts.
Yes I have. In drawing view shaded with edges. Must be a pure performance issue. Switching between shaded with edges and wireframe does that help?
I have seen this a few times, usually I end up, sometimes weeks down the road, uninstalling and re-installing the graphics driver, and ultimately it turned out to be a graphics card that was overheating...bad board bad board!
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