Conventional Dimensioning Techniques are used to describe these things on an
Engineering Drawing: size, shape, location
Tolerance: total amount that the feature on the actual part is allowed to vary from
what is specified by drawing or model dimensions
3 aspects of good dimensioning:
technique of dimensioning
placement of dimensioning
choice of dimensioning
The drawing scale is indicated in the title block.
Arrowheads show extent of dimensions. They are uniform in size and style
throughout the project.
How should dimension lines be used?
Convenient for producing
Efficiently, nothing should be assumed
Avoid dimensioning for points of surfaces inaccessible to the worker
Nothing unnecessary and no duplicates
For the position method, the millimeters are above the inch dimension and
separated by a dimensioning or added line. For the Bracket Method, the
millimeters are placed within parenthesis. It also included a note to identify