Exodus 36:8

And every wise-hearted man among them, all the artists appointed to the work, that wrought the work of the Tabernacle, made ten curtains of fine twined linen, and blue, and purple, and scarlet; with cherubim of cunning work made he them, the figures of the cherubim were skillfully woven into the cloth, as it was made on the loom with the four kinds of yarn, or thread, mentioned throughout the narrative.