I did a quick/light blocking with 220 on the areas that were already pretty good, and 180/220 on a few spots that needed a little more flattening. 3-4 spots needed a small amount of filler, and it was ready for the last coats of epoxy to seal it and make it ready for wetsanding and paint.
I mixed in a bit of red epoxy on the first coat, then shot two more coats of black epoxy. When I wetsand it to prep for sealer/paint I don't want to sand through the epoxy layer, so I'll be able to stop sanding if I start seeing the red tinted layer.
Checking the reflection for imperfections while it was still wet. That's the look of a man who's happy to be finished sanding such a detailed panel.
The vid shows how flat each facet is.
[youtube]5ye5g4ZEjvw[/youtube]
The blocks used, plus the PVC tube with slots cut to make it flexible for the double concave area on the back of the cab above the rear window.