Patterns are usually generated on the fly to match the tail sizes needed. Seam allowance is already included on the end of the flap, so you don't have to add it. All simple tails should be sewn with the tail inside-out, leaving the belt loop unsewn. When making a tail pattern, you should always bear in mind that about half an inch at the edge of the pattern will be used up by the seam. A thin tail is just a tapered tube of fabric with a rounded end.
Thin tails work nicely for cats.
To generate the thin tail pattern, you need to know how long you want the tail to be, how thick you want it to be at the base, and how thick you want it to be at the tip. Subtracting three inches is important, as it compensates for fur puffing out the resulting tail. W1 and W2 should always be at least six inches, so that the tail can still be stuffed easily. Tails A floofy tail is oval-shaped, with a thick center and thin ends. It works well for foxes and wolves.