1.2 Vocab

A preliminary visual of a possible idea for a design. Most of these are not full size and have little detail--their purpose is to help quickly explore possible alternative designs

• thumbnail sketch

• isometric sketch

• multiview sketch

• orthographic projection

A sketch in which an object's parallel edges are drawn with parallel lines, typically at 30 degree angles to the horizontal baseline. There are no vanishing points and have three sides of the visible at the same time

• isometric sketch

• thumbnail sketch

• multiview sketch

• orthographic projection

A sketch typically incuding three primary views of an object that are drawn using orthographic projections. The top, front, and right primary views of the object are projected onto a drawing plane perpendicular to each view. An isometric sketch is often included.

• multiview sketch

• thumbnail sketch

• isometric sketch

• orthographic projection

A method of representing views of a three-dimensional object by drawing the visible faces in each view on a two-dimensional plane.

• orthographic projection

• thumbnail sketch

• multiview sketch

• isometric sketch

A measure in one direction.

• dimension

• annotation

A note of explanation, a dimension, or a comment added to text, diagrams, or models.

• annotation

• dimension