Autodesk has released a hotfix for AutoCAD and the 3Dconnexion devices. Zoom speed varies in perspective view Pivot point position is far from the model causing the model to go off the drawing area when rotated High zoom out speed after zooming in a small area of the drawing This hotfix applies to the following products: AutoCAD 2013 AutoCAD LT 2013 AutoCAD Architecture 2013 AutoCAD Civil 3D 2013 AutoCAD Electrical 2013 AutoCAD Map 3D 2013 AutoCAD Mechanical 2013 AutoCAD MEP 2013 AutoCAD P&ID 2013 AutoCAD Plant 3D 2013 AutoCAD Raster Design 2013 AutoCAD Structural Detailing 2013 AutoCAD Utility Design 2013 Affected 3Dconnexion Devices This hotfix applies to the following 3Dconnexion devices: SpaceExplorer USB SpaceMouse Pro SpaceNavigator Consult the readme file for installation and more details. http://autode.sk/THeiUZ Go to the original post...