Chak's tool did the trick: https://uniortools.com/eng/product/1662-4-tapered-crank-puller. Would recommend.
Love it, that looks like a brilliant bit of kit, glad you got it resolved
@ofathens started
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Chak's tool did the trick: https://uniortools.com/eng/product/1662-4-tapered-crank-puller. Would recommend.