Here are some of the 3d printed, resin and expanding foam head bases I made 2010-2020. These are now retired in favour of 3d printing as my current standard method. You can now find my 3d printed bases in my shop. 

snow leopard fursuit head base resin or foam
dragon fursuit head base resin or foam
kemono canine or critter fursuit head base 3d printed
kemono canine or critter resin or foam
mask painted resin
bat head base resin or foam
grumpy wolf canine fursuit head base resin or foam
snow leopard fursuit head base resin or foam
sly fox fursuit head base resin or foam
several fursuit head bases squirrel fox resin or foam
3d printed canine or critter fursuit head base