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CAD tip CAD tip # 9339:

Question CAD 
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Q - question

When moving one entity, the adjacent entity moves too.

A - answer When you e.g. move a block placed on a line, the line may move along with the block -- most probably there is a constraint between these two entities (objects). These types of constraints may have been created manually or rather automatically. Too many constraints may slow down your drawing. The ar indicated by a blue "double flag" icon when you hover on an entity.

You can remove the adverse constraint with the command DELCONSTRAINT. If you want to avoid creating automatic constraints on related objects, switch off this behaviour with the variable CONSTRAINTINFER (set to 0), or press the key combination Ctrl+Shift+I (see also the first icon on AutoCAD status bar).
100% *  CAD 
16.7.2013    3973×  

See also:
Tip 12127:AutoCAD slower after obeying the recommendation from DELL Precision Optimizer.
Tip 11998:Double object snap (osnap) - how to align a line between two lines? (geom.constraints)
Tip 11898:Automatic schedule - number of blocks in a drawing.
Tip 11896:How to drive dyn.block parameters or constraints from Excel?
Tip 11761:Parametric constraints between 3D objects in AutoCAD.

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