Hey there, and welcome to the forum!
Could you please elaborate on your question?
Also, please always include the URL to your project, so we can have a deeper look on the issue.
Hi,
I would like match togetcher 2 surfaces (simulate gluing or stiching proces ) on my model ( look as box)
link:
Thanks for the link!
You can not create a bonded contact on two faces of the same solid.
In this case, you should go back to your CAD and fuse the faces you want. It should be pretty straightforward.