I have been skiff sanding and further refinement with the surface.
This picture was taken a couple of layers ago.
I am using spot putty and grey buildup primer. I sand with a skiff between layers. I use a light at an angle to see where the low spots are.
It is probably well smoother than it needs to be now but I want it to look nice.
Once it is sanded I still can see lots of different colors not good.
The back section is off for now.