Model seems sticky after camera movement
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To keep SketchUp interactive and responsive while you're modeling, SketchUp waits to render the model with full detail until you temporarily stop working on the model. For large models that are using a complex Style, you may notice a significant pause when you end a modeling operation before the full-detail rendering completes. This pause allows you to start your next modeling operation without the renderer interrupting your work.
However, once the full detail rendering has begun, it can't be interrupted until it's complete. We refer to this pause as "stickiness" in the model. You won't be able to start new tool operations or orbit the model while SketchUp is rendering. If this stickiness is too intrusive to your modeling process, you may want to disable some of the more complex rendering styles to make SketchUp render faster.