Though often unsung, interior trim can enhance how we relate to rooms of different sizes and personalities. As ceiling heights increase from the conventional 8 feet to 9 and even 10 feet, the type, dimension, and placement of trim components vary according to fundamental rules of scale, proportion, and hierarchy. In this column, we'll explore those principles, and how they relate to ceiling height and room personality. Whether you're designing a traditional or a more contemporary space, the same concepts apply.

As usual, there are no hard and fast rules, just a framework of context to guide your trim design decisions.

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