>>289156854
>and just move the avatar to match the position instead
You shouldn't have to move it sideways is the thing. I don't even know if this is going to be your issue but it's just a strange thing to begin with. Post a pic of your actual model with the body selected so we can see the bounding box (white square around your model's mesh). Your model should be centered and the vrc avatar descriptor component should put the viewball on the midline too. If it's t-posed it should be straight up to the eyes.