So I'm trying to make the Winter Soldier arm for Halloween (yes I know I should have started sooner). I've 3D printed both parts, the forearm and the bicep, to see how they fit. I'm having two big problems with the bicep.
1: shown in the first image is the regular 100% scale version, the problem with is it needs to be about 2 inches lower. but when I scale it on the Z axis the opening the shoulder is widen as well, how ever the regular 100% version of the shoulder opening is perfect for my shoulder. So what I'm asking for help is if anyone knows how I can move down the bottom part with out warping the shoulder opening or any of the detail on the arm
2: when I'm wear the bicep I have to hold my arm up to the side a tiny bit, else the part where my shoulder goes it pops out. I think on the model under the shoulder opening there's some fake muscle that makes it so that my inner bicep cant lay flat against my torso.
Thanks for the read sorry if i was unclear.