Yes, it's spatter, not splatter.
Several passive drops of blood dropped from varying angles ranging from 10º to 60º at a height of 30 inches creating an elongating shape in most drops. A few drops also overlap creating some satellites in the drip pattern, and a larger splash area.
It doesn't look as good as it should, because I put it in my folder with a piece of paper on top of it, and it got stuck to the paper while I was taking a nap. So it dried up and it looks a bit worse because of the paper that got stuck to it when removed.
Odd facts: Used in a Polish article about emulating the CSI-kind of stories on a gaming session. I only know because they wrote back to me. Good guys, they are.
Is used in the cover of this book:Writer's Workshop of Horror.