I am often sending people to other artists based on the shapes they need for a project so to save time, here are a bunch of colleagues that offer resin base shapes and/or other parts that might suit your needs if I don't have what you are looking for!
DISCLAIMER:
Not everyone on this list will always be open for orders. This is just a list for you to reference in case they might be available to purchase.
We/Crystumes Costumes take no responsibility for your order with any artist on this list. These links are all public knowledge.
AkelaTakaWolf resin bases ~EU Realistic & Toony
AkelaTakaWolf has some gorgeous realistic resin bases. For example, they have a Wolf, Rat, Small Cat , Bird of prey, + more on the way!
Dreamvision Creations resin and foam bases + Much more! ~US Realistic & Toony
Dreamvision Creations have provided mask bases for much longer than I have. They have an EXTREMELY extensive line of bases including so many different unique animals. Many styles ranging from toony to semi realistic to realistic. They also offer TONS of other items such as claws, eyes, led kits, fan kits, and particularly a great place to get horns!
Motley Crow resin bases ~US Realistic
Their bases are some of my favorite ever, and their shapes are hyper realistic and amazing! Also many obscure animals such as Badger, Lemur, Shoebill, and even penguin! Plus others! The link is to their kofi but you can see a gallery there and contact them to see if they are available to get you a base cast!
Kandorin Creations resin bases ~US Realistic
Kandorin Creations has a line of extremely immaculately detailed bases of gorgeous realistic shapes. Some of which are obscure such as the Caribou, Sighthound and white tailed deer plus other shapes.
Melissa Mendelson AKA Zulayawolf resin bases ~US Realistic
Zulayawolf offers TONS of my old shapes and takes great care of them! She is awesome and if there's an older shape we used to offer you are still looking for, she just might have it! She also has some shapes from other makers as well!
Sylvan Bobtails aka SBgothik resin bases ~US Realistic
Lovely realistic bases for the smaller face. They make gorgeous finished works and I like working with them myself!
DrakonicKnight resin bases ~US Realistic & Toony
Awesome realistic bases on the roomier side. Super detailed. Featuring animals that are harder to find such as a wolverine, raccoon, red panda and more! I've used these bases many times.
Foxfire Fantasy claws, pawpads and realistic patterns ~US Realistic
This artist helped me get started making hyper realistic costumes, and they always strive for the most anatomically correct and engineered costume parts. You can get some gorgeous hand sculpt realistic claws and they also sell glove+ patterns that are crazy detailed in their Kofi They are pay what you want but give them a good tip! OR I BITE >:U
Stuffed Panda Studios Foam and resin+~US Realistic & Toony
Stuffedpanda mostly offers 3d printed or foam cast bases in one of a kind toony, semi realitic and realistic shapes depending on what they have available at the time. They also make gorgeous finished eyes, pawpads and offer some other items such as whiskers, eye mesh etc!
The Spooky Sniper resin bases +~US Realistic & Toony
Awesome resin bases of some unique animals including another crocodile and a vampire bat! Some more spooky themes at times. good for realism. I've used their bases many times myself! DISCLAIMER: They only offer precast bases in their shop and DO NOT take custom commissions so just keep an eye out on what they have available!