Good source for Toy sketches?

I’m wondering if any of you guys have a good source for Toy specific sketches. I love the rough stuff, and the stuff that’s not the quite polished final render. I had an internship in the industry and loved being exposed to this on a daily basis, but it seems most of that stuff doesn’t make it into public hands very often and I miss it. Any good Pinterest boards/ portfolios/ websites that you guys can point my way?

I think he has more on his instagram but I love the sketches Nicholas Baker did for his pet toy products. Really nice guy too!