National Physical Laboratory

Dimensional

Good practice online modules on dimensional measurement
Dimensional online modules

Overview of basic design & interpretation of an engineering drawing
Introduction to what can be found on an engineering drawing and how it can be communicated
Quick guide | Quiz | Further information

An introduction to datum
Basic concepts of datum, or geometric references, and how they are represented on an engineering drawing
Quick guide | Quiz | Further information

An introduction to geometric tolerancing
Basic concepts of feature control frames, geometric characteristics and tolerances and how to interpret them on an engineering drawing
Quick guideQuiz | Further information

An introduction to the designer's role in the design & interpretation of an engineering drawing
An overview of what a designer needs to consider when designing an engineering drawing
Quick guideQuiz | Further information

An introduction to the manufacturer's role in the design & interpretation of an engineering drawing
An introduction to information to be communicated from manufacturer to designer
Quick guideQuiz | Further information

An introduction to the inspector's role in the design & interpretation
of an engineering drawing

An introduction to information to be communicated from inspector to designer
Quick guideQuiz | Further information