INTERIOR AMMM by architecture, via Behance - Narrow vanity alongside the tub. This is what we have only our sink is centered (way too close to the toilet). I was having trouble finding images of off center sinks in this configuration.
If it is renovation time and you have a tiny bathroom or ensuite that needs to somehow magically become bigger - then read on - this in depth step-by-step post is for you. Chock to the brim with good info by the time you finish this post you will be.