Click on your name in the top right to go to your own library.
Double click on the model you want to publish to open up the properties.
Change the first setting "Open to public" by checking the box to the right.
Save

thanks so much!

@sealund there's one problem after doin the setting you have to scroll down and then save or it will discard it.....

Yes, that is correct TheLegoExpert...

I saved, thanks so much!

@sealund Oh ya I also made the same mistake when was new to mecabricks