CAD120 geometric constraints

Week 9

What are the levels of parametric constraints

under constrained

fully constrained

over constrained

When should constraints be used?

making relationships of size and location

when standard commands are inefficient or ineffective

in a multi-view layout to help maintain aligned between views

when should you not use constraints?

when no revision will be required (finalized product)

drawing includes large number of objects, makes it confusing

what is CONSTRAININFER

its a system variable which controls the constraints that are automatically made when using AutoCAD

Where can CONSTRAININFER be turned on?

in the customization section of the status bar or through the flyout in the “geometric” panel

what are the constraints that would not be infered

quadrant, extension, and apparent intersection object snaps. Offset, break, trim, extend, scale, mirror, array, match properties

what command removes all inferred constraints

explode

what is the difference between dynamic constraint mode and annotational constraint mode?

dynamic constraint mode adjusts the size of the part but is gray

annotational shows up like a real dimension in sheets