to devise artistic designs, to work in gold, silver, and bronze,
A great deal of fine work God had ordered to be done about the tabernacle; the materials the people were to provide, but who must put them into form? Moses himself was learned in all the learning of the Egyptians, nay, he was well acquainted with the words of God, and the visions of the Almighty; but he knew not how to engrave or embroider.
Commenting on Exodus 31:1-11
To devise cunning works,.... To invent, contrive, and draw patterns, for the weavers particularly, for the making of the curtains of the tabernacle, the vail of the most holy place, the ephod, and the curious girdle of it, which were made of cunning work, curiously wrought by the weaver; and so Jarchi interprets this of the weaving of the work of Chosheb, or cunning work...
Cunning works - מחשבת machashaboth, works of invention or genius, in the goldsmith and silversmith line.