Exodus 36:15-17

Amplified Bible

¹⁵ Each curtain was thirty cubits long and four cubits wide; the eleven curtains were of equal size. ¹⁶ Bezalel joined five curtains by themselves and [the other] six curtains by themselves. ¹⁷ He made fifty loops on the edge of the outermost curtain in the first set, and he made fifty loops on the edge of the outermost curtain of the second set.