technical drawing vocab

Technical drawing

A precise and detailed drawing of an object

Computer Aided Design (CAD)

The use of computers and software to aid in the creation, modification, analysis, or optimization of a design

Lettering (in engineering drawing)

The process of writing titles, subtitles, dimension values, notes, and other elements on a drawing

Title block

boxes found in a drawing which indicate drawing details such as the title, author name, scale, and date the drawing was created

Blueprint

a reproduction of a technical drawing or engineering drawing using a contact print process on light-sensitive sheets

Isometric view

A way of visually representing three-dimensional objects in two dimensions in engineering drawings. The plane is oriented so that it makes equal angles with all three principal planes of an object

Dimensioning

the process of adding size information to a drawing

Axonometric

A method of projection in which a three-dimensional object is represented by axes drawn to exact scale, resulting in the optical distortion of diagonals and curves.

Orthographic projection

A method of projection in which an object is depicted using parallel lines to project its shape onto a plane

In the United States _____ angle projection is used when drawing orthographic projections. This means that the ___ view is placed above the _____ view, and the side view is placed to the _____

third, top, front, right