If you've seen one modern manse, you've seen them all: open floor plans, wall-to-wall windows, and stream-lined design are the name of the game. But this 12,000 square foot home in the heart of a Bel-Air gated community puts an organic twist on the architectural theme with roughly-hewn blocks of wood for stairs, a textured white wall in the pattern of a wave, reclaimed tree trunks for dinner tables and bathroom counters, and a brick facade.