No. 520 consists of a double cross formed by twisted loops of linen thread. Copy these loops exactly from illustration 520.
One part of the straight cross lies underneath, then comes the slanting cross, and lastly, the other part of the straight cross.
In the centre the loops of linen thread are fastened with two rounds of stitches. (See illustration 520).
OVERCAST STITCH is worked like embroidery overcast, and forms the stems of the flowers and leaves of guipure d'art; it is worked over one or two coarse threads. It is employed in No. 530, and forms the triangles in the centre of the middle squares.