There's a link on handmadehero.org
: "Lost download link? Have it resent
Side note: It is not our place to share Casey's copyrighted source code because it's not under an open source license. And while it's a bummer that you had computer problems, if you can't recover the source using that download link, there's nothing we can do for you. If you haven't already bought the source and therefore can't use that link, I would propose going ahead and doing so.