The International Organisation for Standardization (ISO), (, 2018) is a non-government international organisation which operates with 162 national standard bodies. The introduction of this enables its members to share expert knowledge and develop market lead standards to aid in the innovation of global design standards. The organization began in 1946 with 25 countries as the original member base. Their aim was to usher in coordinated and unified industrial standards. This would further open up communication channels and enable innovation through agreed standards. ISO in 2018 operates with members from 162 countries and 777 technical committees and subcommittees. However not everyone still accepts the need for internationalised CAD standards and the important role it has with pathing the way for innovation. ISO 128 (128-1:2003, 2018) was introduced to support the general principles for the presentation of technical drawings. This standard applies both to manual and computer aided designs. However these principles do not apply to 3D CAD drawings. The aim of this standard to was to usher in the exchange of international information on drawings and establishing a comprehensive system for technical functions. ISO 128 (128-1:2003, 2018) is mainly used within  mechanical engineering and construction (shipbuilding) sectors. Concerns arise with elements of the document may be subject to patent rights, and limit the desired target of standardisation. ISO 128-1 (128-1:2003, 2018) was established by the Technical committee ISO/TC 10 ‘technical product documentation’. Subcommittee SC1 outline ‘basic conventions’. ISO 128 consists of the following:   Part 1: Introduction and indexPart 20: Basic conventions for linesPart 21: Preparation of lines by CAD systemsPart 22: Basic conventions and applications for leader lines and reference linesPart 23: Lines on construction drawingsPart 24: Lines on mechanical engineering drawings Part 25: Lines on shipbuilding drawings Part 30: Basic conventions for views Part 34: Views on mechanical engineering drawings Part 40: Basic conventions for cuts and sectionsPart 44: Sections on mechanical engineering drawingsPart 50: Basic conventions for representing areas on cuts and sections   A good comparison to demonstrate the need for both national and international standards can be made between Europe and the USA. The United States still operate with the imperial system, whereas Europe have moved to metric. Due to the lack of agreed internalisation within the CAD sector it places more strain businesses to produce technical specifications for both measurement systems. This in return places more output and wastage in terms of time allocation and potential printing resourcing to offer a spectrum of technical documentation. By setting internal CAD standards businesses can slowly start to pathe the way to internalisation of an overall agreement. This can be achieved by using getting their customer base to comply to their internal requirements and this should eventually saturate into the global marketplace. Additionally, acceptance from larger companies can further speed up this process.

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