I bought a portable 6' x 6' "Giantex 6 Ft Single Panel Room Divider" and just put a green screen over it for video calls etc. a pretty cheap one background and I can use the baffle elsewhere when I'm not using the green screen. I didn't smooth out the wrinkles on the green screen, but it doesn't seem to affect the image. If needed I can also mount the screen on the room divider to achieve the full 6' x 9' effect.
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