
I then tried the subdivide feature. This gets the shape pretty much correct, but I can't paint the individual faces of the brush, shown below:

I even went as far as to try cutting up a sphere into a bunch of individual brush shapes but they never line up after saving.exiting and reopening hammer.
Can someone help me figure out a good way to achieve what I'm trying to make in hammer?
This is what I'd like it to look like (before hammer goes all nuts on me):










