Dimensions give the size and location of parts, shapes and assemblies

7.44 x 3.25 is a standard sheet size

A printer is one way of reproducing a blueprint

The name of the part can usually be found on a drawing

Drawings never tell one what material the part is made from

The metric system was invented by Camp Hill High School

Linear measurements are the distance between 2 points

Extension Lines have an arrow on the end of them

Extension Lines never touch the object lines of the part

Object lines are always thicker than the other lines on a drawing

The letter R next to a dimension designates the "Radius" of an arc or circle on a drawing

Center lines are solid

Hidden Lines represent invisible edges and surfaces

The Name of this part is Cam Plate

The material they want you to make this part out of is plastic

The letter M is pointing towards an Object line

The letter D is pointing towards a center line

The letter A is pointing towards an extension line

The name of this drawing is BP-4A

The thickness of this part is 2"

The Letter D is pointing towards an extension line

The Letter G is pointing towards a dimension line

The Letter B is pointing towards a hidden line

Center lines are being used on this drawing to show the center of the part as well as the distance between the holes

The letter A is pointing towards a dimension line

The size of the holes in this part is 9/16

The first hole is located 1" from the left end of the part

The letter F is pointing towards a dimension line

The name of the part on the blueprint is Dinner Plate

The material to be used to make this part is aluminum