August 23, 2011
Pictorial drawings provide a 3D image to help understand a drawing
The most common pictorial drawing is the Isometric drawing. The isometric view provides a likeness of the 3D object and should be drawn to provide as much detail as possible. The lengths of lines are generally the true length of the object. (Sometimes the view may be scaled)
Perspective drawings provide the most accurate view of an object but the measurements are not true lengths.
Axonometric (planometric) views are often used on house plans to show room interiors.
There are 4 different types: