How do I layer crown molding effectively in DIY decor?

Layer crown molding by stacking different profiles to create visual depth and period-appropriate detail. Begin with a base trim, add a middle accent piece, and finish with a larger top molding. Measure carefully, cut precisely using proper tools, then fasten and caulk joints for a seamless look. Layered crown molding elevates builder-grade rooms, giving rooms structured elegance common in prewar design.