Not intimidated by the challenge of redesigning an existing home into a contemporary Tahoe retreat, the interior designer of this 6,500-square-foot, award-winning property played with the traditional Tahoe home concepts like stone fireplaces and wood-planked walls and added her own layers, including custom-designed furnishings, to spectacular effect. The designer directed major revisions to maximize the home’s dimensions for the new owner, like combining two bedrooms into an expansive master suite, replacing and reframing exterior doors and hardware, and exposing parts of the home’s structure. She added visual interest with layers of artful material choices…