It looks like the pics of the casting were taken down because of the sale discussion that started. I will start a Junkyard thread sometime on Monday or Tuesday, so please don't ask me for copies of this helmet before then.
After the silicone glove mold cured and the fiberglass mother mold was built, I managed to pull this casting:
The neck hole was a little tough to fit my head through, but once I had it on it was a nice fit. I also have a hard time fitting my head into my MR clonetrooper helmets, so this one is about the same size as those are, just not quite so tall. While I was fairing and sanding the helmet, I took this picture of it next to a 12-oz. bottle for scale reference:
Once sanding and smoothing was finished, I cut the vents into the cheecks:
This is the next morning after the sanding primer had dried:
This is my photoshop rendition of the final color scheme:
Of course, once the first helmet came out of the mold, it was time to make another one:
And since I was on a roll, I went all the way through Saturday morning, afternoon, and evening, and continued making helmets right up until 2:00 a.m. when it got too cold for the resin to cure properly. So after four days, two large cans of Rockstar Energy Drink, and about three gallons of casting resin, I was able to stack these up:
Now I'm perfecting my vacforming arrangment so I can make the lenses for the eyes out of 1/8th inch smoked acrylic: