ACIS geometric modeling kernel is used by many software developers in industries such as computer-aided design (CAD), computer-aided manufacturing (CAM), computer-aided engineering (CAE), architecture, engineering and construction (AEC), coordinate-measuring machine (CMM), 3D animation, and shipbuilding.
ACIS has also been used as the foundation of the Shape Manager kernel used by Autodesk in its applications. So the ACIS format is a preferred file format when exchanging data with Autodesk apps.
ACIS file extensions are .sat and .sab
A PRT format is used to store components of 3D CAD models. It may contain lines, surfaces, textures, dimensions, and metadata.
The .prt extension is mostly associated with the Siemens NX Part (PRT) file type as an acronym for "part". PRT files may be exported to various standard CAD and 3D modeling formats (e.g. OBJ and STL) in addition to being utilized natively in Siemens NX.
The PRT file is also a part created by PTC Creo Parametric 3D software. In PTC Creo, project part files can be combined in a single assembly file with an ASM extension.
Despite the same extension name different CAD software produce PRT files differently, i.e. PRT files produced with Creo are not the same as PRT files generated from NX.
The PRT extension is also compatible with Dassault Systèmes SOLIDWORKS.
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