How do I know when to trunk my story or novel?

Today, while waiting for my new office chair to be delivered I asked twitter to send me some questions. Mike Douton on twitter asked:

@tobiasbuckell When to trunk and when to keep rewriting. Having a decision to make with the Angry Robot Open Door starting today

— Mike Douton (@mikedouton) December 1, 2015

This is a tricky one to answer. The thing is writers have a variety of approaches and the trick to knowing this is to actually figure out how you work best. I have a pseudo-framework for t...