AcroBrat Camera bushing to help further reduce jello

This is a TPU camera bushing to help further reduce video jello, in place of metal spacers that came with AcroBrat. I tried all different color of bushings (red, blue, white, etc).
The white bushings provide the least amount of jello but there is still some. Using these TPU camera bushings, I was able to get rid of last remaining bit of jello.

My AcroBrat setup: BH 1407 4100kv motors. (Great motors with a lot of power but they are also very coggy. I also have Cobra 1407 4100kv on my 2nd A