TS EN ISO 128-1

TS EN ISO 128-1 sets out the introductory principles for technical product documentation and the general rules that organise representation within the ISO 128 series. It addresses both 2D and 3D technical drawings, providing a common framework for describing products consistently at part, subassembly and assembly level. The document applies to manual as well as computer-based drafting.

Technical drawing in its broadest sense

In this standard, the term technical drawing is used in the broadest possible sense: it covers the full documentation package used to specify a product, not just a single drawing sheet. In general technical practice, that broader view matters because geometry, function, manufacturing and assembly information often need to be coordinated across several document types. The standard is relevant to mechanical engineering, construction, architecture and shipbuilding, where a shared graphic language supports consistent communication.

How the ISO 128 series is introduced

This part also presents the structure of the other parts of ISO 128, helping users understand how the series is organised. In practice, that means the general representation principles are established here, while more specific guidance such as line conventions, views, sections, dimensioning and related graphical practices is handled in the other parts of the series.

• Provides general rules for the execution of 2D and 3D technical drawings.
• Applies to both manual and computer-based technical drawings.
• Covers mechanical engineering, construction, architecture and shipbuilding.
• Uses technical drawing in the broad sense, including the full product documentation package.