| Name | STEP | STL |
| Full name | Standard for the Exchange of Product model data | Stereolithography File Format |
| File extension | .step | .stl |
| MIME type | ||
| Developed by | ISO | 3D Systems |
| Type of format | ||
| Description | STEP is a neutral file format that allows the transfer of files between different CAD softwares. The development of STEP started in 1984 as a successor of IGES, SET and VDA-FS. STEP format (Standard for the Exchange of Product Data), is an ISO standard exchange format It is used for representing three-dimensional data in a format that can be recognized by multiple programs. ISO standard number: 10303. | STL is a file format native to the stereolithography CAD software created by 3D Systems. This file format is supported by many other software packages. It is widely used for rapid prototyping, 3D printing and computer-aided manufacturing. STL files describe only the surface geometry of a three-dimensional object without any representation of color, texture or other common CAD model attributes. The STL format specifies both ASCII and binary representations. Binary files are more common, since they are more compact. |
| Technical details | STEP formats can be used to exchange data between CAD, Computer-aided manufacturing, Computer-aided engineering, Product Data Management/EDM and other CAx systems (Computer-aided technologies). STEP is the same as STE and STP. The disadvantage is that a STEP file is not editable and the design tree of the model is not available either. | An STL file describes a raw, unstructured triangulated surface by the unit normal and vertices (ordered by the right-hand rule) of the triangles using a three-dimensional Cartesian coordinate system. In the original specification, all STL coordinates were required to be positive numbers, but this restriction is no longer enforced and negative coordinates are commonly encountered in STL files today. STL files contain no scale information, and the units are arbitrary. |
| File conversion | STEP conversion | STL conversion |
| Associated programs | Dassault Systemes SolidWorks, AutoCAD, SolidWorks eDrawings Viewer, Unigraphics, Autodesk Inventor Fusion, IronCAD, IMSI TurboCAD, Autodesk Inventor Fusion, Rhinoceros, CATIA, Siemens Solid Edge, STEP Tools STEP File Browser, Kubotek USA KeyCreator, Free CAD. | TurboCAD, GOM Inspect, STL Viewer, Geomagic Explorer, Parametric Technology Creo, Dassault Systemes CATIA, KeyCreator, MeshLab, SolidWorks, Pro/Engineer, CloudCompare, Blender, AutoCAD, 3D Studio Max, Autodesk Inventor, Mechanical Desktop |
| Wiki | https://en.wikipedia.org/wiki/ISO_10303 | https://en.wikipedia.org/wiki/STL_(file_format) |
SolidWorks CAD program 3D image format file with a three-dimensional object or part that can be combined with other parts into a single assembly (SLDASM) file. Adobe Acrobat 3D or Acrobat Pro 9 and newer can be used to open SLDPRT files. Professional SolidWorks® Viewer to import and read SLDPRT file format. The software enables to measure 3D files and create section views of 3D models. It is also possible to convert SLDPRT to DWG, DXF, STEP, IGES, OBJ, STL and other files formats. ⭐ AnyConv is a five-star STL to OBJ converter tool ⭐ ️Convert stl files to obj online in seconds No software installation required Absolutely free Completely safe. Changing stl to obj is now easy!
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Stl To Solidworks File
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Approximately 23% of CAD professionals globally use SolidWorks on daily basis. Together they generate tremendous volume of 3D files in native format, which are troublesome to feed into 3rd party major and minor CAD systems due to format specifics. SolidWorks files (previous to version 2015) use the Microsoft Structured Storage file format. This means that there are various files embedded within each SLDDRW (drawing files), SLDPRT (part files), SLDASM (assembly files) file, including preview bitmaps and metadata sub-files. CAD Exchanger seamlessly reads SolidWorks data and converts to the file format of your choice.
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STL
STL (STereoLithography) is a file format native to the stereolithography CAD software. This file format is supported by many other software packages; it is widely used for rapid prototyping, 3D printing and computer-aided manufacturing. STL files describe only the surface geometry of a three-dimensional object without any representation of color, texture or other common CAD model attributes. The STL format specifies both ASCII and binary representations. Binary files are more common, since they are more compact.
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