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STEP files are used to describe the complete 3D geometry of an object in a way that is independent of any specific CAD (Computer-Aided Design) system, making them highly interoperable across all CAD software. [8] Unlike, specialized 3D printing formats, STEP files are used more broadly in engineering and manufacturing.
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. A STEP-file is ASCII text with the format defined in ISO 10303-21 Clear Text Encoding of the Exchange Structure .
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.
Part 202 - Associative draughting. 2D/3D drawing with association, but no product structure. Practically a subset of AP214. Part 203: Configuration controlled 3D designs of mechanical parts and assemblies. Mainly used for 3D design and product structure. A subset of AP214 but most widely used. Part 204 - Mechanical design using boundary ...
Computer-aided design (CAD) model used for 3D printing. The manual modeling process of preparing geometric data for 3D computer graphics is similar to plastic arts such as sculpting. 3D scanning is a process of collecting digital data on the shape and appearance of a real object, creating a digital model based on it.
3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. [1] [2] [3] It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, [4] with the material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.