How do I replicate this drywall texture? - Home Improvement Stack Exchange

It's on my ceiling and we can't figure out what they used.

what kind of drywall texture is this and type of brush to use to get this texture - Home Improvement Stack Exchange

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Identify drywall texture - Home Improvement Stack Exchange

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Replace or Skim drywall? - Home Improvement Stack Exchange

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Drywall damaged in fire? - Home Improvement Stack Exchange

Will the current drywall look better after I texture it? - Home Improvement Stack Exchange

drywall - How should I remove the texture from the ceiling *without* tearing it out? - Home Improvement Stack Exchange

sanding - Should I sand down the drywall or put more mud to even it out? - Home Improvement Stack Exchange