Graphic Symbols and Charts

Design and Technology students are often required to produce and interpret data in graphic forms, such as diagrams, flow charts and so on. They are also required to understand a range of common graphic symbols. Barcodes [produce and/or interpret data (e.g. diagrams, flow charts, graphs, experimental and test results)- IG] [produce line, pie, bar and … Read more

Understanding Parts and Assembly Drawings: a guide for students

Student producing an assembly drawing

High school Design and Technology students are often required to understand, interpret, and produce assembly drawings. These are technical drawings that show how various parts of a product fit together. Guidelines for assembly drawings Parts lists A parts list is a comprehensive list of all components required to assemble a product. Parts lists are usually … Read more

Geometric ConstructionS with compass and straightedge

High school Design and Technology students often need to produce complex technical drawings using a compass, setsquares, T-square, and drawing board, demonstrating a range of technical drawing skills. This includes the ability to bisect angles, proportionally subdivide lines, enlarge items, find centre lines, construct tangents and tangential arcs, and use a compass to construct geometric … Read more

Geometry: How to draw a net (development)

High school Design and Technology students are often required to construct developments (nets) of simple geometric objects, such as cubes, prisms, cylinders, and cones. This article introduces how to draw a development using a drawing board, set squares, T-square, and compass. What is a development (net)? A development or net is what an item would … Read more