Mechanical Drafting

Dimensions: are the text that is provided with a drawing that describe the exact size and location for the features shown. Also known as size descriptions We use them to ensure that the part made is the part you asked for.
Two methods - Aligned and unidirectional
* Do not place dimensions on objects, Do not dimension to hidden lines.

Conversions

Metric- 2.59 cm = Imperial- 1 inch

1= 12 inch

196 = 6.5 inches