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The typical work-around when sharing files with an outside organization is to export the file using two open-file-type standards: IGES, which was released in 1980 by the National Institute of Standards and Technology (then known as the National Bureau of Standards), and STEP, released in 1984/85.
The lack of support for complex data like color and materials means that STL files are best suited for basic 3D printing tasks. Additionally, because STL files use an approximation of the model's surface, a printed STL file may be inaccurate compared to the CAD geometry, and high-resolution models can result in very large file sizes. [5]
It is known informally as "STEP", which stands for "Standard for the Exchange of Product model data". ISO 10303 can represent 3D objects in Computer-aided design (CAD) and related information. Overview
With CAD, users can avoid having to work with image-based files in CAD-based software. Data can be acquired from ScanIP, IGES (.iges and .igs files), STEP (.step and .stp files), STL (.stl files). The result can be saved in ScanIP files for further processing or exported to STL (.stl files).
A STEP-file is ASCII text with the format defined in ISO 10303-21 Clear Text Encoding of the Exchange Structure. [2] ISO 10303-21 defines the encoding mechanism for representing data conforming to a particular schema in the EXPRESS data modeling language specified in ISO 10303-11. A STEP-File is also called p21-File and STEP Physical File.
STL is a file format native to the stereolithography CAD software created by 3D Systems. [3] [4] [5] Chuck Hull, the inventor of stereolithography and 3D Systems’ founder, reports that the file extension is an abbreviation for stereolithography, [6] although it is also referred to as standard triangle language or standard tessellation language.
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The early version of ABViewer allowed viewing and merging CAD files, storing BMP and EMF images in the clipboard, and printing a group of files. Initially, the program supported 20 languages and was available in two versions: Standard and Professional. [5] In 2007, new features were added to the viewer: an editor and a converter.