I have a stack of Lotka that is just waiting to be folded into beautiful things, so I looked for something that would be suitable as a WTF (because it has been a while and my procrastinator is running on full right now):

Taking the largest square I could from a barely rectangular sheet, I pre-creased then began collapsing

After some more wrangling it looked like this

New clue – anyone closer to guessing this:

With a little more wrangling it looks like this:

Surely someone can recognise what it will become from here?

Anyone like to guess what it is? You can have the test fold of this one (the Lotka production fold is promised to someone else, sorry) if you want it.

Guesses as comments to the blog please.