Roosted above Pasadena, Montalba Architects stacks a progression of volumes on a slope to make the LR2 House. The 4,200-square-foot living arrangement uses a matchbox idea, layering rectangular masses against the lofty incline. Everyone is turned to acquire its own open-air spaces for an assortment enclosed patios, yards, patios, and housetops to exploit the California atmosphere and mountain vistas. While its dim, precise outside makes a solid exterior, white dividers and characteristic light produce a differentiating environment on the inside. The limited palette and moderate stylish permits the attention to stay on the far-reaching perspectives on the scene.