It has always been my intention to give credit where credit is due, I just wasn't sure whether I needed to formally ask permission. Anyway, I have and I'm still waiting for a reply. Not sure what to do if I don't get a reply or, worst case, permission.
I feel if you want to keep a design to yourself you shouldn't post it online, anywhere. Other wise people will use your cakes to draw ideas from.
While I think it is nice to ask, I don't think you have to. It is also nice to credit who/what inspired you, but I don't think it is the end of the world of you don't, as long as you don't play it off like you created it all by yourself.
This was my concern as well. The talent on this site is incredible. I would absolutely give credit where it is due!
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