Why would you want to use those with a Timber Frame?
Part of the beauty of a Timber Frame is the interior of the roof.
They could be made to work, of course, all you would need to do is get the side beams and ridge beam set in place.
You will however miss out on the structural support that the purlins give to the whole structure.
We love visitors, that's why we live in a secluded cabin deep in the woods. "Buzzard's Roost (Asnikiye Heca) Farm." Promoting permaculture to save our planet Tuwa tokiya kola
I love a good mentalist. And so does this tiny ad:
For the Love of Paw Paws Mini Manual - Kickitty-Kickstarter