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  2. Category:CAD file formats - Wikipedia

    en.wikipedia.org/wiki/Category:CAD_file_formats

    G - BRL-CAD standard solid modeling open format including support for primitives, attributes, and arbitrary data storage; See also: Computer-aided design; CAD data exchange; Comparison of CAD, CAM and CAE file viewers; Electronic design automation

  3. ISO 10303-21 - Wikipedia

    en.wikipedia.org/wiki/ISO_10303-21

    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 .

  4. Intermediate Data Format - Wikipedia

    en.wikipedia.org/wiki/Intermediate_Data_Format

    Intermediate Data Format (IDF) files are used interoperate between electronic design automation (EDA) software and solid modeling mechanical computer-aided design (CAD) software. The format was devised by David Kehmeier at the Mentor Graphics Corporation.

  5. Technical lettering - Wikipedia

    en.wikipedia.org/wiki/Technical_lettering

    Technical lettering is the process of forming letters, numerals, and other characters in technical drawing. It is used to describe, or provide detailed specifications for, an object. It is used to describe, or provide detailed specifications for, an object.

  6. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    A letter v (Latin small letter v) written on a line representing a surface is a way to indicate that the surface is to be machined rather than left in the as-cast or as-forged state. The older symbol for this was a small script (italic) f (see herein f). Later the ASA convened upon a letter V (specifically a sans-serif V) touching the surface ...

  7. ISO 13567 - Wikipedia

    en.wikipedia.org/wiki/ISO_13567

    Technical product documentation — Organization and naming of layers for CAD — Part 1: Overview and principles ISO 13567-2:2017 [2] Technical product documentation — Organization and naming of layers for CAD — Part 2: Concepts, format and codes used in construction documentation ISO/TR 13567-3:1999 (withdrawn September 2015) [3]

  8. Block letters - Wikipedia

    en.wikipedia.org/wiki/Block_letters

    Block letters may also be used as to refer to block capitals, which means writing in all capital letters or in large and small capital letters, imitating the style of typeset capital letters. [2] However, in at least one court case involving patents , the term "block letters" was found to include both upper and lower case .

  9. CAD data exchange - Wikipedia

    en.wikipedia.org/wiki/CAD_data_exchange

    CAD data exchange is a method of drawing data exchange used to translate between different computer-aided design authoring systems or between CAD and other downstream CAx systems. [ 1 ] : 157 Many companies use different CAD systems and exchange CAD data file format with suppliers, customers, and subcontractors. [ 2 ]