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STEP-file is a widely used [1] data exchange form of STEP. ISO 10303 can represent 3D objects in computer-aided design (CAD) and related information. Due to its ASCII structure, a STEP-file is easy to read, with typically one instance per line. The format of a STEP-file is defined in ISO 10303-21 Clear Text Encoding of the Exchange Structure. [2]
STEP - also known as ISO 10303-21 - has both advantages and disadvantages over IDF. If both MCAD and ECAD software support STEP, both programs can interchange more detailed models (at the cost of increased file size). Step models that are rendered correctly in the ECAD software can cause problems in the MCAD [citation needed].
The basis for STEP was the Product Data Exchange Specification (PDES), which was initiated during the mid-1980's and was submitted to ISO in 1988. [4] [5] The Product Data Exchange Specification (PDES) was a data definition effort intended to improve interoperability between manufacturing companies, and thereby improve productivity.
STEP files are often converted into formats like STL or 3MF for actual 3D printing. [13] Advantages: Detailed and accurate representation of geometry, topology, material properties, and assembly information. Limitations: Not directly used for 3D printing; requires conversion to other formats for printing. [7]
TransMagic is a commercial computer program that converts computer-aided design (CAD) files from one native file format to another. During the translation process, TransMagic performs “geometry mapping”, mapping from one CAD kernel to another.
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It is a very comprehensive set of specifications covering many different product types and many life cycle phases. STEP uses the neutral ISO 10303-11 format, also known as an EXPRESS schema. EXPRESS defines not only the data types but also relations and rules applying to them. [5] STEP supports data exchange, data sharing and data archiving ...
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.