Abstract
An innovative method for shaping attractive architectural free forms of buildings is proposed. Consistency of shell roofs and plane-walled oblique elevations of the building free forms is preserved due to utilization of specific geometrical tetrahedrons controlling general forms of entire buildings. The method proposed enables shaping roofs as warped shell forms made up of plane steel sheets folded in one direction and connected to each other along their longitudinal edges to obtain a plane strip. Next, the strip is elastically transformed into a shell shape so that a freedom of the width increments of each shell fold would be ensured. Such effective sheet shape transformations make it possible to limit the negative influence of these initial fold’s shape changes on the strength and stability of the designed roof shell. The method also allows to shape oblique plane elevation walls almost freely both individual buildings and their complex structures.
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