Designing - EduqasSketching and annotation

Designers use many techniques to create products and solve problems. Design and development involve creating working drawings and parts lists to enable a third party to manufacture the design.

Part ofDesign and TechnologyDesigning and making principles

Sketching and annotation

Freehand sketches

is the quickest way of getting your initial designs on paper before an idea is forgotten. Freehand sketches are often done without a ruler or template and instead are produced quickly and freely.

Showing freehand sketches of a sports bag with detailed sketches of handles, pockets and different colourways.

can be added at any point to show key parts, sizes, materials, and . The use of shading, colour and different viewpoints can be an easy way of communicating initial ideas.

Formal drawings

are a more precise or less messy style of drawing; they can be done by hand or with packages in either a 2D or 3D representation.

Formal hand drawings would use tools such as rulers and set squares to ensure accuracy and neatness. Using computer aided design (CAD) allows the user to quickly make changes, and the drawings can be digitally shared and copied with ease.

A man in a suit working at a computer on computer aided design (CAD) in an office.
Image caption,
CAD formal drawing

Formal drawings are used when showing an idea to a , showing measurements or getting feedback from a .