(continued)

A second prototype relies on a data glove containing numerous sensors that interpret finger position and movements in space. Gestures for describing cubes, spheres, and so on are translated into corresponding digital forms. They can also be edited in a similar fashion; opening the hand wider, for example, makes the form larger. Beyond creating primitive forms, it is easy to imagine this interface expanding to enable architects to literally mold their schematic designs.

Pratini worked on his dissertation with professor Loukas Kalisperis at Pennsylvania State University's Department of Architecture.

This is part three of a six-part series on innovative research projects that may eventually lead to exciting design tools for architects. Next week this series continues with a report on a computer system for interpreting the sketches of architects.

B.J. Novitski is managing editor for ArchitectureWeek.

This article first appeared in Architectural Record, December, 1999.

The 3D SketchMaker can create a wide variety of forms from simple hand gestures. Image: Edison Pratini The forms created by simple gestures can be combined and edited within CAD to build up more complex models. Image: Edison Pratini With Edison Pratini's second 3D SketchMaker prototype, 3D forms can be shaped by ordinary hand gestures with the help of a data glove. Photo: Edison Pratini The size of a geometric primitive can be changed by intuitive hand movements. Image: Edison Pratini