Interlocking Prisms: A Three-Dimensional Solid
Pen-and-wash study of intersecting rectangular bars
A cut fragment carries a carefully modelled drawing of two rectangular frames or bars that interpenetrate at right angles to form a three-dimensional cruciform solid. The faces are rendered in pen and brown wash so that they read in light and shade, giving the body full volume. The catalogue note records no writing on the sheet, and none accompanies the figure.
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Intersecting bars forming a cruciform solid
Two open rectangular frames cross one another at right angles, their bars threading through the openings to build a single three-dimensional cruciform body. The solid is shaded with wash to model its faces and convey depth, a study of a complex geometric figure in space.