3 Join five of the curtains together, and do the same with the other five.

Read Exodus 26:3 Using Other Translations

The five curtains shall be coupled together one to another; and other five curtains shall be coupled one to another.
Five curtains shall be coupled to one another, and the other five curtains shall be coupled to one another.
Join five of these curtains together to make one long curtain, then join the other five into a second long curtain.