https://communities.bentley.com/products/microstation/microstation_printing/f/printing-and-plotting-forum/143623/rotation-center-of-3d-pdfHello All, I can set the rotation center according to the article: https://communities.bentley.com/products/microstation/microstation_printing/w/wiki/16157/how-is-rotation-determined-for-a-3d-pdf The 3D PDF rotation center is what I set indeed,en-USTelligent Community 12https://communities.bentley.com/thread/436435?ContentTypeID=1Wed, 29 Nov 2017 01:19:14 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:8408904e-59da-42fe-a78e-37c0e370cb68Changsong Ling<p>I have tried this already, but it is not perfect...</p> <p>1. It is not easy to operate, and not all other users know it. If you send your PDF to others, they might not&nbsp;know it.</p> <p>2. In some cases, the rotation center point might be moved, but the view range is revised also, the view might be too large/small, when you zoom in/out to adjust the view, then the rotation center moved again...</p> <p>Thanks a lot!</p><div style="clear:both;"></div>https://communities.bentley.com/thread/436366?ContentTypeID=1Tue, 28 Nov 2017 19:21:02 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:da28c828-1986-4b8c-8a97-1f19abcd520bEd Yepes<p>Perhaps the following article can help you: <a href="http://3dpdfconsortium.org/2014/02/11/how-to-set-the-center-of-rotation-when-viewing-a-3d-pdf-file/">http://3dpdfconsortium.org/2014/02/11/how-to-set-the-center-of-rotation-when-viewing-a-3d-pdf-file/</a></p><div style="clear:both;"></div>