Assemblies Contents Assembly Visualization You can assign a color to a property value, select new properties, and roll up or roll down components. SpeedPak Instances You can create a SpeedPak instance from a subassembly without modifying the referenced subassembly. The SpeedPak instance is saved in the top-level assembly. Interference Detection in Large Design Review Mode You can use interference detection on assemblies opened in Large Design Review mode. Performance Evaluation In the Performance Evaluation dialog box, you can see the number of outdated documents, the time required to open the assembly, and the total number of graphics triangles. Linking Display State to the Patterned Seed Component You can link the display state of the patterned components to the patterned seed component. Inserting Assemblies with Rolled-Back Features In a model, you can insert an assembly with a part reference that has rolled-back features. Copy with Mates You can use Copy with Mates to copy components that have a lock mate, a path mate, a linear coupler mate, or a mechanical mate. Performance When Calculating Mass Properties Performance is improved when calculating mass properties for an assembly. Controlling the Visibility of Part Sketches in Assemblies You can control the visibility of part sketches in assemblies.