Topic 3: Graphic Models

This is an example of a: _____________ . This drawing method is often is the starting point of any product sketch. There are no formal rules, and the goal is to quickly generate ideas.

• freehand sketch

• orthographic projection

• section

• side view

Freehand sketches should be used to:

• communicate a completed vision for a final product

• communicate ideas quickly in a client meeting or to collaborate

• communicate a construction plan to a manufacturer

• go along with a parts list for a client

Draw a 2D orthographic view of a chair.

Orthographic drawings are:

• 3D

• in perspective

• 2D

• usually not drawn to scale

Orthographic drawings may contain:

• side views

• front views

• dimensions

• top views

Orthographic drawings are typically used to:

• show a product in 3D

• sell a product to a client

• quickly communicate ideas

• guide production by giving accurate measurements

This is an example of ___________ drawing. It is primarily used in architecture to communicate how the building will look.

• isometric

• perspective

• orthographic

• CAD

Perspective drawings:

• can be measured

• cannot be measured

This is an example of a measurable, accurate drawing that does not include foreshortening. It is an ______________ drawing.

• isometric

• perspective

• orthographic

• exploded

This type of drawing can accurately communicate a design idea, can be measured, and is in 3D.

• orthographic

• exploded

• isometric

• assembly