There is no one size fits all for carving any carving tool because the shape of the actual cut you want, the reflected result from the cutting edge and bevel, relies on different issues…
Sharpening an axe for carving and shaping - Paul Sellers' Blog
Making a spoon with a gouge and spokeshave
KME Axe Sharpener
The Joiner's axe—Part II - Paul Sellers' Blog
Sharpness? - Paul Sellers' Blog
Hand-Forged Carving Axe for Various Purposes: Hatchet is designed for wood carving, woodworking, green woodworking, carpentry. Can be used for shaping
BeaverCraft Hand Forged Hatchet Axe with Sheath AX1 - Bushcraft Hatchet Camping Small Forest Axe Survival Hatchet Carving Axe for Chopping Wood - Camp
KME Axe Sharpener
KME Axe Sharpener
Axing out a Serving Spoon using my newest Design - The JourneyMan Carving Axe
Shaping your axes for carving - Paul Sellers' Blog
Making a Few Tools - Paul Sellers' Blog
Making a Few Tools - Paul Sellers' Blog
Making a spoon with a gouge and spokeshave