I just checked as I had a couple of patterns I'd purchased through Craftsy (before it became Bluprint). I was able to download those just fine. I was also able to download class materials if i wanted to. Note than I am using PC not a tablet to access.
I don't yet see a way to save an entire class without jumping through hoops to do so. I left somewhere between 9 and 12 "own forever credits" behind.