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## Constraints |

In the Part-Editor, use the Constraints menu and toolbar to add Constraints.

You can add Constraints

oto a sketch-element

obetween two sketch-elements

obetween a sketch-element and the X-axis or Y-axis

See below: Why cannot I add another Constraint?

See below: How to Delete a Constraint.

See also: Geometry menu and toolbar

Part-Editor > Constraints toolbar is to the RIGHT of the graphic-area.

You cannot see Constraints you have added to sketch Geometry the graphic-area. To DELETE a Constraint, you must show it in the Selection-Window. To show a Constraint in the Selection-Window: 1.SHIFT+CLICK a sketch-element OR 1.SHIFT-Click a Point, start-Point, end-Point, or a center-Point ALL Constraints that you have applied to the sketch Geometry are now in the Selection-Window. In the Selection-Window: 2.Right-click the Constraint In the contextual-menu: 3.Click Delete element. |

Add MERGE-POINTS (between two Points*) will delete a Point* Usually, use Merge-Points to make a sketch-path or sketch-loop. You can NOT delete Points* that are Merged with Merge-Points Add Coincident Constraint (between two Points*) will not delete a Point*. Usually, use Coincident-Constraints for construction geometry. You can delete a Coincident-Constraint to move the Points* again - see How to delete a constraint. * Points are Points and also start-Points, end-Points, center-Points. |

You cannot add a constraint that would OVER-constrain a sketch-element. E.g.: A Point* has two degrees-of-freedom. 1.If you add a Coincident Constraint between a Point and a Line (CoincidentPtoL) you remove 1 degrees-of-freedom. 2.Then, you attempt to add a Coincident Constraint between two Points (CoincidentPtoP) you will attempt to remove 2 degrees-of-freedom. However, it is not possible to remove three(3) degrees-of-freedom from a Point. To correct the problem, delete the CoincidentPtoL - see Delete Constraint. - then Add a constraint between the two Points. |