Fig 123B
Fig 123C
Fig 123D
It is desirable that no wires be permitted to continue across the centre, but that all should turn back, leaving the centre free from the thickness that would be occasioned by the crossing and recrossing of the wires.
EMBROIDERED LACE CURTAINS AND BONNE FEMMES—IRISH POINT, RENAISSANCE AND MARIE ANTOINETTE.
By crossing twines on the frame and dropping a plumb line over the intersections, the centre of the dome may be kept in line with the centre of the open frame (see Figure [123C]).