Reply by therealSteveN

Drawers that fit the contents are a great idea, though often harder to implement. If aesthetic is in the mix, under mounts are the best answer. If they seem to need too much room, look at dividing the drawers themselves, for ease of use. Boxes, sliding trays, stuff like that.

Right off the top, versus “most” vanities 2” or near to them is going to bring in an office/industrial look. Probably best to ask the GF about likes, then try to figure out implementation once you know what you will be making. That isn’t at all about woodworking, it’s 40 years of happily married.

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