Design and Modeling: A picture is worth a thousand words

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

• Thumbnail sketch

• Isometric sketch

• Orthographic sketch

• Multiview sketch

A sketch, typically including the top, front, and right primary views of an object that are drawn using orthographic projections. An isometric sketch of the object is often included.

• Thumbnail sketch

• Isometric sketch

• Orthographic sketch

• Multiview sketch

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 three sides of the object can be seen simultaneously.

• Thumbnail sketch

• Isometric sketch

• Orthographic sketch

• Multiview sketch

(n) A measurement of height, width, or depth.

• dimensions

• annotations

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

• dimensions

• annotations

Thick lines used to show visible edges of an object. Sometimes construction lines are converted into these.

• Construction

• Object

• Hidden

• Center

Lightly drawn lines that you can use to help you draw other lines properly. You can erase them after you sketch an object.

• Construction

• Object

• Hidden

• Center

Used to show the center of arcs, circles, or symmetrical parts of an object.

• Construction

• Object

• Hidden

• Center

Used to show interior (inside) details not visible from a particular view of an object.

• Construction

• Object

• Hidden

• Center

What type of drawing is represented here?

• Isometric

• Orthographic

• Perspective

• Multiview