Where do I get more hatch patterns? And once I import them, will they be copied to a folder or do I have to put the file somewhere?
you can download a few hatch patterns here. As far as i remember, you can import them and they all will be available in the current document. If you want them in any document, you have to import them in your favourite template file.
And here is a site with some more… Any AutoCAD .pat file can be imported by Rhino. – Mitch
Can it? I tried draggin few .pat files from that webpage into my Rhino 6 SR26:
Support for hatch pattern files is coming soon
@omichalek what happens if you use Options > Hatch > Import.
it works that way, awesome, thank you!