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Well, I think you are positioning the cameras around the clutter, but I understand it is a tight area none the less, you have to understand your situation is a bit tight the way it is, so when I state things, it would be for an optimal space, you will have to adjust cam positioning to fit your area.
The 1.35 m front cam should be the furthest back, the 2.45 m high cam above it and closer to the Actor by about 18 in - 2 ft, whatever that is in meters for you, you may have to mount them to the ceiling and walls for more view space, just a little bit helps removing a tripod from the equation in such a small room, but for now if not wanting to do that, get them as close to walls as possible.
The rear side cams need to be slightly behind the farthest point YOU can move toward the bed, if at all possible, and as high as possible, since you only have 3.45 m across, they may only see just above the top of the head when standing in place, but that's all the room you have to work with.
The 2 front angled cams should be at 2.30 m would be better maybe, set in closer to the Actor by a little, 2 ft maybe, so they can catch the arms better when by the sides and closer to the body, and other reasons as well, like to maintain some view of the face when head is bent downward in many cases.
Since your floor area is so small, you need to make sure the calibration marker light can be seen in all cams throughout, you have very little actual body and foot volume to work with, so you need to be aware of body parts not staying in frame too, except full arms up extension, you may not track that well at all, but just have to test the limitations and see.
You should get a bit more capture volume with the cam set up running square with the room, but not much.
It is hard for me to tell from just the small images of the cams, but I can see some are off centered, use the view port grid when aligning them, it helps and mark a dead standing point between all cameras on the floor, (in your case this X mark will be closer to the bed, but not up against the bed), then mark a forward limit for front cams view on the floor to set the bottom of cam 1's view port to hit that mark, or just slightly behind it toward the camera.
You are trying to get the view port grid center mark to get as close to the hips height as you can, some cams won't hit that mark, like the 2 rear cams, just get those to see as much of the head as possible, it seems you stand back when you refit your Actor, but your cams should always point to that central mark on the floor, you can stand anywhere in the visible capture area to start recording though.
Post the images after re-set.
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