How to select a model line inside a no system family

Hi everyone!

Can i select a model line inside a non system family?
I have a beam instance (Structural framing family) that include a model line:

How can i select it?
What i am looking for is to model the blue lines by dynamo:

Thanks in advance!!!

@jesusgarciaarquitect Can you share an image of what you have already tried in Dynamo? I think the Element.Geometry node would allow you to do this :slight_smile:

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The node do exactly i need!!
Thank u very much

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You’re welcome! :blush: