||Part I: Practical (Cross Stretch) is an example of the homemade computer used to create the images for the editioned work.Part II: Three photo etchings (Z-Stretch, Relief, Booby Trap) and three photo lithographs (Cut Fabric, Coathanger, and Nine Stretches) reveal the connection between the device used and the drawings generated by it.Part III: The Continuity Book, and the Notebook (printed in facsimile). The Continuity Book shows the evoluction rather than the end product of the idea. The Notebook was kept in 1978-79.Multiple: 1 box and lid: plywood and plastics; 35x45x7 cm. plus 1 model (paper, wood, plastic, and elastic; 34x44 cm.); 1 continuity book (28 leaves of photo drawings; col., 26 cm.); 1 facsimile notebook (unpaged, col., 21 cm.); 1 title page; 3 photo etchings (col., 24x49 cm); 3 photo lithgraphs (col., 24x49 cm.).