Expanding Geodesic Dome with Fabric Covering
This working model demonstrates a geodesic dome that expands smoothly in size while maintaining its shape and stability. One important purpose of this type of structure is to provide instant, portable shelter. When folded, it may be easily stored and transported. Its unique mechanical principles allow it to be quickly and safely expanded. Domes of very substantial size may be built using this method.

Recently, a technique was developed to attach a fabric covering to the expanding structure. This covering folds down to a small bundle when the dome collapses, and is suspended under tension when the dome is expanded. An innovative method is used so that the folding of the fabric is always controlled. The fabric is kept separate at all times from the metal links, ensuring that the fabric cannot jam or tear.

Funding to build this model came in part from the Graham Foundation for Advanced Studies in the Fine Arts. The model was on exhibit at the Centre Georges Pompidou in Paris during the summer of 1997.

The Iris Dome
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All contents © 1996 Hoberman Associates
Design by Perry Hoberman
Revised 10-15-96 PH