In a continuing effort to provide high-quality products, Autodesk has released AutoCAD Plant 3D 2016 Service Pack 1.
This service pack includes fixes to issues found through internal testing and customer error reporting. The Readme contains the latest information regarding the installation and use of this update. It is strongly recommended that you read this entire document before you apply the update to your product.
Find attached our: Plant 3D 2016 – Service Pack 1
Source: Autodesk, AutoCAD Plant 3D , 8 Jun 2015. http://knowledge.autodesk.com/support/autocad-plant-3d/downloads/caas/downloads/content/autodesk-C2-AE-autocad-C2-AE-plant-3d-2016-service-pack-1.html?v=2016