Exodus 26:15-17

Amplified Bible, Classic Edition

¹⁵ And you shall make the upright frame for the tabernacle of boards of acacia wood.

¹⁶ Ten cubits shall be the length of a board and a cubit and a half shall be the breadth of one board.

¹⁷ Make two tenons in each board for dovetailing and fitting together; so shall you do for all the tabernacle boards.