In his current show, sculptor Guido Geelen presents four new works (all Untitled, 1989). Although he has been experimenting with the use of typical ceramic materials, his results remain firmly based within a sculptural context. In structure, scale, and decoration, the new work seems to have little in common with the delicate and lavishly decorated pieces he showed last year; it is more austere and monumental. One of the works here is a stacked floor piece composed of modules identical in both size and outline. The whole effect is reminiscent of medieval architectural ornamentation. By its being