Generally speaking, the traditional glass-mosaic producers paint the tableaux with a monochromatic pattern.The alloyed threads made of lead and tin that are used to inlay glass serve as the contours.

• 传统的玻璃镶嵌画基本都以单线平涂的手法处理画面，轮廓线便是镶嵌玻璃的铅条。