It's at this stage in the process that I generally have to make myself slow down and take stock: The build is really starting to come together and (hopefully) look like the real deal so it's very easy to just charge ahead and 'go for it'. This usually results in you forgetting a small but vital step which puts you further behind. Now is the time to take a good hard look at the state of the build and check for anything that might have been missed.
I set-up the mask in a similar position to the original shots I'd taken and took another set of photos to compare and contrast.
The front view was a vast improvement and I was generally quite happy.
The three-quarter view though really showed off the improvements. The Rubies original on the left looks quite good until you compare it to what it should look like. The depth of the eyes is the real changer. If you only do that and leave everything else 'as is' you'll end up with a vastly superior Vader in my opnion. Of course, if you do the other work too it'll get even better.
Here's a nice series of shots showing the progress quite well.
Despite appearances, this build is still not anywhere near finished. The next stage was to add the silver paint to the mask. Yes, that's right, Darth Vader's mask is not actually all black but is two-toned.