/diy/ - Do It Yourself

I'm wondering if there's anyone who knows how things work who could help me out here. Could you use 3d printing in order to make a DIY-style stenomask? I'm looking at the patent and videos of the thing and I can't tell if there's more than just a plastic thing with a foam gasket. I'm thinking you could just buy a $10 headset, grab the pillow and design the 3d printed part around that.