mirror part in assembly not correct

Forum|Forum|5 months ago
November 7, 2025
2 replies
740 views

I am using Creo Parametric Release 11.0 and Datecode11.0.4.0

Can not mirror part along the plane properly in assembly if selected "Reuse existing model". Works ok if selected "Create a new model". Just toggling that option creates parts in two different locations

V

vnamboodheri

Community Manager

Hello @VK_14390994,

Thank you for using PTC Community.

Your question has not received a response so far.
In order to receive meaningful responses from other community members, could you please provide more details and context regarding your inquiry? Specifically:

Can you describe the exact steps you followed before the issue occurred?
What options did you select under Component Placement?
Did you check if Assembly Constraints were applied correctly after mirroring?
Is this behavior consistent across other assemblies or only this one?
Can you share a screenshot of the assembly before and after mirroring?

This will enhance the likelihood of receiving valuable assistance from other Community members.

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I'm also responding to bring attention to your question. Hopefully, another community member will be able to assist you soon.

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S

Srinivasan-Iyer

14-Alexandrite

As my understanding goes for the question,

"Reuse the Model" will not Mirror the Part. A Mirror Part is different from the Original Part and shall have a different part number. Hence, the behaviour is as expected.

V

VK_14390994

Author

4-Participant

I'll try to explain this again: I need to mirror a part in assembly along a mirror plane with the same part number (create a copy or copy geometry). I can't have a different name for this part.

When I use the "mirror component" feature I select the part (green arrow, so far so good) then I select my mirror plane (also as expected). The default option is to create a new model and when I select to preview everything is as expected - mirrored part pointed by red arrow previewed.

Now, I can't enter the same name of the new model as my part, so naturally I select "reuse selected model" at which point the software flings my mirrored part somewhere far away. So the question is how am I supposed to mirror the same part about a plane?

reuse existing model

To add to that: if I select "create a new model" and "perform symmetry analysis" the part is recognised as symmetrical and is placed with the same name but the location is completely off again.

model reused with wrong location

Secondary question: what does mirroring a part using existing model actually do? Because it definitely doesn't look like mirroring. It's not intuitive at all.

Thanks

tbraxton

22-Sapphire II

Your latest post explains the situation in enough detail to now understand what the issue is. I suspect that the issue is that the component you are mirroring is not symmetric.

Test this combination of Mirror Component options and report back what happens. Using these options should reuse the part if it is symmetric in this context, if not it will create a new part. By using symmetry analysis Creo should determine if the part can be reused for this operation.

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