Fig. 29. Open-work Insertion. together. In Fig. 29 the two rows of narrow clusters are worked in Corticelli WashSilk, size EE, in a medium olive shade, the pyramid of steps in dark terra-cotta andthe three inner clusters in lighter terra-cotta. One figure consists of fourteen … Fig. 30. OrEN work Insertion. clusters of three threads, each. Fig. 30 is worked in three .hades, the light tri-angles in old gold, the dark squares in peacock blue and the remaining portion oftne work m cream white. Each figure contains eighteen clusters of three threads