Can't "mirror image" C-1 Inlet orientation (in plan view)

[Anonymous]

I've Type "C-1" Inlet which has one extension on left side (as shown in the image attached). I've tried to mirror image the structure style so that the extension will be on right side but I could not succeed. I've been getting the same orientation as if it's being rotated instead of mirrored. Appreciate any help on how I could do it. Thank you. 

Using 2018 Civil 3D, Win 10.

[cwr-pae · Accepted solution]

I assume you are referring to a structure style. Styles can not mirror. You will need to create a new style with the a mirrored copy of the block. I say block because that is what it appears to be, if it is an actual part, you will need to create a new part reflecting the mirrored dimensions.

[Anonymous]

Yes it's a structure style. Lacking enough time to create a new style (I assume you meant creating the new style in Part Builder), I'm gonna mask the plan appearance and use a block instead. Thanks much in any case!