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Constrain Problem

Discussion in 'Using Alibre Design' started by RocketNut, Nov 4, 2019.

  1. RocketNut

    RocketNut Alibre Super User

    Howdy

    I just ran into a constraint error I do not know what I am doing wrong. I am trying to insert an arm into the slot(as shown in the attached screenshot). As you can see in the screenshot it is throwing an error I do not understand. :confused::confused::confused:

    Aligning Errorn Status.jpg
     

    Attached Files:

  2. DavidJ

    DavidJ Alibre Super User Staff Member

    Seemed to work OK for me, try re-booting PC, or try slight variants on the constraint (maybe substitute an edge for a face).
     
  3. RocketNut

    RocketNut Alibre Super User

    Thanks, DavidJ constraing on an edge works.:):)

    Maybe you can explain why constraining on an edge works when a face does not work. For me this is bizzare o_Oo_O
     
  4. DavidJ

    DavidJ Alibre Super User Staff Member

    I'm not saying it applies in this case - but using an edge is less restrictive than a face, so is less likely to lead to 'over-constrained' errors. It gives the solver a bit more freedom to reach a solution.
     
  5. RocketNut

    RocketNut Alibre Super User


    That makes sense. I guess it's true that old dogs can learn new tricks.:D:D
     

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