Dear Dorin! Thanks for your detailed reply.
I saw that there are some plugin AdvanceEditing link, no one.
In the link of pdf plugin guide, the mirror function it does not work.

http://www.sweethome3d.com/pluginsUserGuide.pdf

http://prntscr.com/cc80s3


This plugin link is ok.

https://sourceforge.net/p/sweethome3d/p ... iting.sh3p

http://prntscr.com/ccj9n1


It would be helpful to a section in the forum with a list of existing plugins and updated.

Thank you Dorin!!
Regards!