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8 Great Updates to SOLIDWORKS Assemblies | What's New in SOLIDWORKS 2025

Monday March 24, 2025 at 8:00am

SOLIDWORKS 2025 introduces several exciting updates that significantly enhance assembly modelling.

Whether you're working with complex assemblies or need better ways to manage your components, the new features in SOLIDWORKS 2025 are designed to make your workflow faster and more intuitive.

Below, we’ve outlined the top assembly modelling enhancements for SOLIDWORKS 2025.

TOP 8 UPDATES TO SOLIDWORKS ASSEMBLIES

  1. Performance Evaluation Tool Enhancements
  2. SpeedPak Configuration Enhancements
  3. Large Design Reviews (LDR)
  4. Display State Management
  5. Document Groups
  6. Detect Surface Body Interferences
  7. Copy with Mate Enhancement
  8. Y-Up and Z-Up Workflow Support

#1 - Performance Evaluation Tool Enhancements

The Performance Evaluation tool in SOLIDWORKS 2025 now offers deeper insights into your assemblies. This tool helps identify areas that may cause performance degradation. New features include:

  • Out-of-date component tracking: Easily find components not saved in the current version of SOLIDWORKS, ensuring you’re always working with the latest files. Users can open a reference file to see the location of each out-of-date component.
  • Graphic triangle count: Identifies parts with over 5,000 triangles, helping you pinpoint complex parts that might be slowing down your design.
  • Direct file opening: You can directly open files from the Performance Evaluation tool to investigate and simplify geometry, allowing you to quickly target and resolve performance issues.

#2 - SpeedPak Configuration Enhancements

The SpeedPak feature, which creates lightweight graphical representations of assemblies, has received a major update.

In SOLIDWORKS 2025, SpeekPak configurations can now be created at the top level of the assembly. Additionally, users can:

  • Define specific parts, bodies, faces, edges and more to be included or excluded from the SpeedPak.
  • Graphical indicators show exactly what has been included or excluded, helping to ensure that only necessary components are loaded.
  • Adjust SpeedPak circle display to control the opacity of the Speed Pack circle, offering a softer visual representation.
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#3 - Large Design Reviews (LDR)

SOLIDWORKS 2025 brings significant improvements to Large Design Review (LDR), a mode that lets you open assemblies quickly without resolving all components.

Notable updates to large design reviews in SOLIDWORKS 2025 include:

  • Breadcrumb navigation: Navigate easily through large assemblies with breadcrumb trails, improving overall ease of use.
  • Component Preview window: Investigate assembly geometry in a second window, making it easier to examine components without fully opening them.
  • Interference detection: LDR now fully supports interference detection, allowing you to check for conflicts in large assemblies without needing to resolve the entire model.
  • Seamless switching: After identifying interferences, you can seamlessly open components directly in resolved mode for quick fixes.

#4 - Display State Management

Managing multiple Display States in complex assemblies has been made simpler in SOLIDWORKS 2025.

A new Display State table compiles and manages all display states for each component.

Properties such as visibility can be easily toggled from each display state column making display state management far more streamlined.

Changes to any display state can also be seen in real time by applying any changes to the table.

#5 - Document Groups

SOLIDWORKS 2025 introduces Document Groups, a new way to manage and open multiple documents at once. This enhancement is especially useful when working on assemblies that involve many related parts and drawings.

From the home screen or recent documents command, there is now a new tab called document groups, which shows all previously saved groups. With one click you can reopen multiple documents from a previous session, including assemblies, parts, and drawings, without the need to manually find each file.

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#6 - Detect Surface Body Interferences

The ability to detect interferences in more complex assembly scenarios has been enhanced in SOLIDWORKS 2025.

Interference detection now supports surface-to-surface and surface-to-solid interactions, ideal for assemblies that include a mixture of surface and solid bodies.

#7 - Copy with Mate Enhancement

The Copy with Mates feature has been updated to support advanced mates and mechanical mates, including slot mates, limit distance mates, and profile centre mates.

This improvement will help when copying components with complex mating relationships, speeding up the workflow without the use of pattern features.

#8 - Y-Up and Z-Up Workflow Support

For users working with different coordinate systems in complex assembly layouts, SOLIDWORKS 2025 now supports Y-up and Z-up workflows:

  • Improved orientation: The ability to choose between Y-up or Z-up orientations allows for more flexibility when creating new parts and assemblies.
  • Updated planes: The default planes have been renamed to match the chosen orientation, making it easier to work with designs that require specific coordinate setups.

Conclusion

From advanced performance evaluation tools and faster workflow management to smarter interference detection and mating, assembly modelling in SOLIDWORKS 2025 becomes more efficient, easier to manage, and better optimised for performance.

Whether you’re using desktop SOLIDWORKS or 3DEXPERIENCE SOLIDWORKS, these updates offer greater flexibility, visibility, and control over your design process.

For more detailed information about all the new features in SOLIDWORKS, check out the online documentation or arrange a demonstration to understand how SOLIDWORKS 2025 can make a difference in your business.

Take the Next Steps

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