The Ultimate Guide to Turn Parasolid Files into SimReady USD Content

This guide is part of the RapidPipeline 3D Formats Knowledge Database.

Parasolid is a geometric modeling kernel developed by Siemens Digital Industries Software. It provides comprehensive 3D modeling capabilities including Boolean operations, feature modeling, advanced surfacing, blending, and direct model editing. Parasolid supports both text (.xt, .xmttxt) and binary (.x_b, .xmt) file formats. The format is documented and open, making it widely adopted across many CAD, CAM, and CAE applications. Parasolid is used by major software including SolidWorks, Solid Edge, NX, and many others. It is a file format mostly used for 3D geometric modeling kernel for CAD applications.

USD (Universal Scene Description) is the primary format to generate SimReady data, enabling 3D assets to be used in simulation environments such as NVIDIA Omniverse, PhysX, and more. For this to work properly, USD assets must adhere to the USD standard, and ideally bring metadata that helps to inform downstream simulation use cases about various simulation-relevant properties of the 3D asset.

There are various ways to generate USD files, but especially when starting from non-simulation formats like Parasolid, it is not easy to perform a good conversion. Additional required steps might include material assignment (in case realistic materials are desired) and related steps like UV generation, but also metadata transfer from the original file to the final SimReady USD asset.

With RapidPipeline, the process of generating NVIDIA SimReady USD content from Parasolid files is easy:

1. Download RapidPipeline Twin Studio, or one of the RapidPipeline 3D tool plugins (free trial available). Alternatively, you can also use RapidPipeline directly in the browser.
2. Perform the conversion from Parasolid to USD. Store or download the resulting USD file, it's ready to use!
3. If you'd like to scale up the process, simply get in touch to acquire a license for the RapidPipeline 3D Processor, running as powerful batch processing tool that turns your entire library of Parasolid files (or other files) into SimReady USD content.

Here is the link for more details.

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