if you see anything, anything at all on the internet you think is cool, save it on your hard drive

companies will burn the library of alexandria twelve times over as to not lose fifteen cents, so it's likely whatever you've seen two, five, ten years ago is permanently deleted

@jannuary I second this!
Knitting/crochet/pattern websites will snatch down free patterns.
Or just rearrange their website and conveniently leave out popular pattern links.

Internet archive/wayback machine can do but so much.