After the shape of your design is controled by geometric constraints then it's size will be defined. dimensional constraints are very similar to the normal AutoCAD dimensions that you are familiar with.
The big difference is dimensional constraints control the geometry but the geometry controls the normal AutoCAD dimensions.
Always remember to define the shape and then the size!
Check back for Part 3: Dynamic, Reference, & Annotation Dimensions
Blogged by Josh Hunt, Yet another CAD Geek
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