Reminding us that ski season is upon us, Portland-based architecture and design studio Rhiza A+D on October 3 opened the Entrance Tunnel of the Timberline Lodge on Mt. Hood in Oregon.  Its undulating parabolic outer frame is more than a formal exercise – it translates to the interior’s  parabolic frame that will carry the load for the eventual 20 feet of snow resting on top of it.   The design, made of a dozen waterjet cut, half inch aluminum plate arches, will be constructed every year in October and taken down and stored every May. Read More