Originally Posted by moxfyre
That'll work... but you'll have to put a decent amount of stress on the crankarms, and in so doing, you'll probably round them off a bit, since the aluminum crank arms are softer than the steel BB spindle.
I agree, but I can't think of another way besides buying the tool. Everything else involved tools that are more expensive than a crank puller or would destroy the crank even more.