Free Form Roof for Planai Zielstadion
Image 1: Free form surface construction of the roof.

The Planai Zielstadion was designed to have a roof that becomes a logo for the skiing area. The shape of the roof was created as a free form surface (see image 1). The surface was based on NURBS and constructed to have C² continuity. This improves the visual quality significantly. In addition, several boundary conditions (statics, rain water flow, natural lighting) had to be considered in the surface construction.

Image 2: Visualization of the stadion (view from the road).

The stadion also houses a three-storey parking garage. On the ground floor is the ticketing and shopping area. On the upper floor starts the journey uphill.

Image 3: Visualization of the stadion (view from the mountain).
Project in cooperation with Hofrichter-Ritter Architekten, Graz.
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