i insert a part's surface into new part file. the method was used mate of default planes. i keep the link .
after i completed construc , i want to break the link, (this file has been reopen for few time) , i can not find the link part check box.
it should locate at lowerst row. now not at there.
1.) how to call it back,
2.) after unlink, is it possible to link it back ?