1-- They all seem to have the same meaning to me. Further context is needed to reveal whether the furniture arrangement is serendipitous or planned. 2-- I'd go with the simplest, of course.
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Mister MicawberFurther context is needed to reveal whether the furniture arrangement is serendipitous or planned.
Mister MicawberI built it so that the doors open inward.
I built it in such a way that the doors open inward.
Purpose (or manner) and manner, respectively, but they have the same intent.