I only have one layer but it's a very dense one layer. I also decided to wrap myself in cling wrap before the duct tape so I saved my clothes haha.I tried to make a Duct tape dummy before it didn't turn out to well. Between an impatient girlfriend helping me. lol Not enough layers the whole thing fell apart quickly.
The weather is very iffy here so the helmet is still on hold. I decided to go ahead and try my hand at a sliced BR85HB SR while the weather is undecided, I'll post pictures when I have the layers glued together. I'm making it out of cardboard because I had huge, unused moving boxes so I decided to use them and test out this sliced method. Depending on how it turns out I may go back and make another with dense foam sheets. I really need to invest in a 3D Printer.