Is there a non destructive way to remove 3 piece crank without a puller?

[hamster]

I can't believe I'm reading this. There is massive overthinking going on.
Buy a Cyclo one, they cost a tenner. Mine is still going after 30 years.

Cyclo 14Mm Cotterless Crank Extractor:

Cyclo: This 14mm Cotterless Crank Extractor removes cranks from standard and Shimano splined oversized bottom brackets. It is supplied with a removable cap for splined or octalink bottom brackets and is made from forged, workshop quality materials that provide strength and durability, making...

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