I've always been kinda leery about crowdfunding. In theory I like the idea. It's fun to see a cool idea then help it come to fruition. But to think of it is an investment is the wrong thought process. Unless the craftfund is different from kickstarter or indiegogo, you aren't investing...you are usually pre-buying a product that isn't real yet. A local brewery near me did this. I believe it was something like 1,000 and you drink for free as long as it is up and running. It would have been cool to say "hey, I had a part in making this a reality". If I really wanted to be a part of the process I would open my own brewery, which is a labor of love, not money (although it does require alot of money to start one).
I suppose if you are debt free and well on your way to FI, its your money, go for it. But its not an investment. I suppose it may be if you exclusively drink there and after 200 pints you are in the black!