How do I fix this bug on my armor model?

[little berry]

Hey, my name is Lucas, and I would like to ask for help to solve an annoying problem I had when trying to make an armor, I was trying to replicate an armor from Minecraft story mode since in Bedrock there are almost no descent addons of that, and at first I thought that everything was going well, the model had turned out perfect according to me, but when i was testing it, the arms contract to the chest position and the torso isn't centered. Any ideas what could be wrong? I'd really appreciate it, thanks (PS: I think I should clarify that I use an app called "addon maker" for android, but I don't think it has much to do with it because the app itself links to Blockbench and from there I created the model)

[willow stag]

Welcome to the help forum!

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[fallow needle]

try rechecking the pivot of the arms so that they're correctly positioned

[little berry]

Do you think you could explain it to me? 😅 It just so happens that I'm a bit new to this.

[fallow needle]

The pivot tool is used to move around your bone/group center of rotation. Moving the pivot changes the direction the bone rotates

it's best to see and try for yourself

if you had forgotten to put the pivots at a correct location, some bones may not be rotated correctly, causing the error that appeared here

[little berry]

Oh, okay, okay, and just out of curiosity, should I put it in a specific position? Or is it more of a trial-and-error situation?

[little berry]

Uh, I hope that's it, because I don't see any other explanation, the rest was fine, that's the only detail, for now at least