IED Key Terms #4

IED

Manufacture

To make something, especially on a large scale using machinery

Oblique Sketch

A form of pictorial in which an object is represented as true width and height, but the depth can be any size and drawn at any angle

Orthographic Projection

A method of representing three-dimensional objects on a plane having only length and breadth. Also referred to as Right Angle Projection

Perspective Sketch

A form of pictorial sketch in which vanishing points are used to provide the depth and distortion that is seen with the human eye

Pictorial Sketch

A sketch that shows an object's height, width, and depth in a single view

Plane

A flat surface on which a straight line joining any two points would wholly lie

Point

A location in space

Profile

An outline of an object when viewed from one side

Projection Line

An imaginary line that is used to locate or project the corners, edges, and features of a three-dimensional object onto an imaginary two-dimensional surface

Projection Plane

An imaginary surface between the object and the observer on which the view of the object is projected and drawn

Proportion

The relationship of one thing to another in size, amount, etc

Scale

A proportion between two sets of dimensions used to develop accurate, larger or smaller prototypes, or models

Section Lines

Thin lines used in a section view to indicate where the cutting plane line has cut through material

Shading

The representation of light and shade on a sketch or map

Short-Break Line

Line which shows where part is broken to reveal detail behind the part or to shorten a long continuous part