R038 Theory - Engineering Design - Drawing abbreviations and line types

Drawing Abbreviations, Line Types and Symbols | Level 1/2 Cambridge National Engineering design | Complete Lesson + Worksheet

This fully resourced lesson introduces students to the standard drawing abbreviations, symbols and line types used in engineering and technical drawings. Designed for Level 1/2 Cambridge National Engineering design courses, the lesson develops students’ understanding of key drawing conventions frequently assessed in exam questions. Based on the content in Lesson 1 - Drawing abbreviations, line types and symbols.

What’s Included?
Detailed lesson PowerPoint (21 slides)
Starter (DNA) activity with answers
Student worksheet featuring exam-style questions
Drawing abbreviation quiz
Practice exam questions with model answers
Orthographic drawing identification task
Stretch and challenge activities throughout
Plenary assessment questions
Teacher answers included
Topics Covered
Drawing abbreviations including:
AF (Across Flats)
CL (Centre Line)
DIA / Ø (Diameter)
DRG No.
MATL
SQ
CSK
mm
Radius (R/RAD)
Standard drawing line types:
Centre lines
Hidden detail lines
Dimension lines
Outlines
Projection lines
Leader lines
Identifying drawing conventions in orthographic drawings
Application of conventions in exam questions