@apanbasu wrote:
.... I searched for pat folder but did not find the folder. ....
There would not typically be a folder dedicated to Hatch patterns specifically, but those files would be in some support folder, which needs to be in the list of Support File Search Path locations. If this is about a standard AutoCAD pattern, try this at the command line:
(findfile "acad.pat")
or
(findfile "acadiso.pat")
or, if a custom pattern file,
(findfile "YourFileName.pat")
which will tell you where that file is, if it is in a location where AutoCAD knows to look. If it returns nil, but you know the file does exist on the computer, then its location needs to be added: OPTIONS dialog box, Files tab, Support file search path list.
Kent Cooper, AIA