1. DIMENSIONING

2. What are three aspects of good
dimensioning?

3. What are three aspects of good
dimensioning?
• Technique of Dimensioning
• Placement of Dimensions
• Choice of Dimensions

4. What type of line?
• A thin, dark, solid line terminated by an arrowhead,
indicating the direction and extent of a dimension

5. What type of line?
• A thin, dark, solid line terminated by an arrowhead,
indicating the direction and extent of a dimension
• Dimension Line

6. What type of line?
• A thin, dark, solid line that extends from a point on the
drawing to which the dimension refers

7. What type of line?
• A thin, dark, solid line that extends from a point on the
drawing to which the dimension refers
• Extension line

8. What type of line?
• A thin, dark line alternating long and short dashes. Can
be used as an extension line.

9. What type of line?
• A thin, dark line alternating long and short dashes. Can
be used as an extension line.
• Centerline

10. What type of line?
• A thin, solid line directing attention to a note or dimension
and starting with an arrowhead or a dot.

11. What type of line?
• A thin, solid line directing attention to a note or dimension
and starting with an arrowhead or a dot.
• Leader

12. What is a finish mark?

13. What is a finish mark?
• A finish mark is used to indicate that a surface is to be
machined, or finished, as on a rough casting or forging. To
the patternmaker or diemaker, a finish mark means that
allowance of extra metal in the rough workpiece must be
provided for the machining.

14. What two steps are involved in
dimensioning?

15. What two steps are involved in
dimensioning?
• Size dimensions
• Locate Dimensions