In poser 11 and 12 the simulation file is a .abc file rather than a .dyn. Don't know why the change. If I had to guess, the problem might be with using the name untitled as the scene name. It might be assuming that the simulation for untitled is a temporary one since most scenes don't use that name once saved. Try renaming the scene and see if that helps.

You shouldn't need to have the pole as a figure. Poser has no problem draping on props. And usually, it's best not to have the cloth object inside the collision object. Most times it slows the simulation to a crawl and may make the cloth explode. For this scene, where the top of the ribbons stay at the top of the pole, I would have made the top row of vertices just outside your pole and used a choreographed group on them. If your setup is working for you, I wouldn't change it now. It's just something to keep in mind if you want to do other simulations.

The draped ribbons do look very nice.

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