For REC/RPL layouts, you can copy/paste layout and styles between elements belonging to REC towards elements to RPL.
https://github.com/eclipse/capella/blob/master/doc/plugins/org.polarsys.capella.re.doc/html/08.%20Replicable%20Element%20(REC-RPL)/8.2.%20Basic%20Use%20Case.mediawiki#copy-paste-layout
https://github.com/eclipse/capella/blob/master/doc/plugins/org.polarsys.capella.tipsandtricks.doc/html/Tips%20and%20tricks/5_Layout%20management/5_Layout%20management.mediawiki#layoutstyle-capella-copypaste
You can copy paste layout between :
- REC -> RPL
- RPL -> REC
- Two RPL related to the same REC.
Regards,
Philippe