Engineering II

Cutting Plane Lines

 

    1. Cutting plane lines are used to indicate where the section or cut is made. Multiple examples below:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

2. Arrowheads on a cutting plane line indicate the direction of sight.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. The two most commonly used cutting plane lines are:

          a. A heavy line of altering long dashes (3/4" to 1 ½") with a pair of short dashes (1/8") long.

          b. Uniform length dashes (¼") with uniform spacing between.