Not a lot of progress... but I wanted to update everyone.
First thing that I had deal with is 'adjusting' my life-size model. The arms were stuck-out at the sides and that made fitting the chest section nearly impossible. So, I carefully cut off my buddy's arms (his mannequin's arms).
Then I sliced up the arms and re-attached them with eye-hooks and bungy cord.
That allows me to move them a bit when necessary.
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After getting that done, I started work on the chest... I started with the rough shape of the front of the chest plate. And to get the scale right, I had to build the cylinder section of the torso.
Here is a look at the beginnings of this piece on the mannequin.
I haven't yet tackled the rest of the chest, as I began working on the lower section of the torso. Above you can see the lip of foam that I used to build the next piece. Here is a look at the connection point and the hot glue re-enforcing I normally do over the seams.
Here is what that wider section looks like now...
And here is that next section with the partial chest piece so you can start to see how the chest and torso will sit (the chest 'floating' over the torso).