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How can all/selective Sketcher constraints be seen in 3d?

 
Scenario:

1. Go to Tools>Options>General>Parameters and Measure>Constraint and Dimensions and select the option “Display Mode available as Knowledge Parameter”.
 
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2. Create a sketch inside any CATPart.
 
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3. Come out of sketcher workbench
4. Create a new Parameter of type Boolean name it  “Activity” and set its default value to “True” 
 
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5. In Part Design workbench, Click on f(x)
6. Select Sketch created in step-2 from Specification Tree.
 
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7. Select any Sketcher Constraint and look for its Boolean Parameter of ‘Display Mode’
 
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8. In Formulas Panel click on “Add Formula” and equate its value to Boolean Parameter “Activity” which was created in step-4 above.
 
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9. Repeat Step5-Step8 for some of the other sketcher constraints
 
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10. Change the Value of Boolean Parameter “Activity” a few times.

Results:
1. When Activity =“True”, All selected sketcher constraints are visible in 3d
 
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2. When Activity =“False”, All selected sketcher constraints are again invisible in 3d
 
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Additional Information:

It is recommended that following settings should be activated in order to be able to see the sketcher constraints in 3d even after they are edited.
Tools>options>Infrastructure>Part Infrastructure>Display and activate “Parameters of features and constraints”

 
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