NX

A PRT file is a model part file saved in a three-dimensional model format used by Unigraphics, a 3D CAD program. It contains surface and solid information for a single part. PRT files are saved in a binary format, similar to an Alias wire model and an SDRC (Structural Dynamics Research Corporation) model.

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Solid Edge

File created by Solid Edge, a CAD program used to create product designs; contains design, which may include one or more parts; used to store design data for simulating manufacturing processes.

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