If you read any of my tips from my previous post, I didn't follow my own tip to measure. This chest piece only took me 2 tries. Version 1 This was at 10% bigger than the original file, which is what I ended up with on my helmet. I had to cut out a bigger opening for my neck. It matches my version 2 helmet perfectly. Version 2 This time, I set the measurement to 15.5" wide, instead of a percentage. It fits me nicely, however I think I'll still have to open up the opening for my neck in order for my head to fit through. Front view: Back view: And with that, here's my first ever bathroom selfie…