Oreg-weaving

The robe for the ephod was made of woven work, of pure blue.

And Moses said to the Israelites: See, ה' has singled out by name Bezalel, son of Uri son of Hur, of the tribe of Judah, endowing him with a divine spirit of skill, ability, and knowledge in every kind of craft, and inspiring him to make designs for work in gold, silver, and copper, to cut stones for setting and to carve wood—to work in every kind of designer’s craft— and to give directions. He and Oholiab son of Ahisamach of the tribe of Dan have been endowed with the skill to do any work—of the carver, the designer, the embroiderer in blue, purple, crimson yarns, and in fine linen, and of the weaver—as workers in all crafts and as makers of designs.

This fundamental mishna enumerates those who perform the primary categories of labor prohibited on Shabbat, which number forty-less-one. ...

Additional primary categories of prohibited labor are the following: One who shears wool, and one who whitens it, and one who combs the fleece and straightens it, and one who dyes it, and one who spins the wool, and one who stretches the threads of the warp in the loom, and one who constructs two meshes, tying the threads of the warp to the base of the loom, and one who weaves two threads, and one who severs two threads for constructive purposes, and one who ties a knot, and one who unties a knot, and one who sews two stitches with a needle, as well as one who tears a fabric in order to sew two stitches.

The opening for the head shall be in the middle of it; the opening shall have a binding of woven work round about—it shall be like the opening of a coat of mail—so that it does not tear.

בתוכו IN THE MIDST THEREOF — Understand this as the Targum renders it: כפיל לגויה “turned in towards the inside” — the turn-in shall serve as its seam. It was weaver’s work (woven as such with the Robe) and not made with a needle.

(47) When an eruptive affection occurs in a cloth of wool or linen fabric, (48) in the warp or in the woof of the linen or the wool, or in a skin or in anything made of skin;

As for the tabernacle, make it of ten strips of cloth; make these of fine twisted linen, of blue, purple, and crimson yarns, with a design of cherubim worked into them. The length of each cloth shall be twenty-eight cubits, and the width of each cloth shall be four cubits, all the cloths to have the same measurements.