Exodus 36:21-23

Complete Jewish Bible

²¹ Each plank was fifteen feet long and two-and-a-quarter feet wide. ²² There were two projections on each plank, and the planks were joined one to another. This is how he made all the planks for the tabernacle.

²³ He made the planks for the tabernacle as follows: twenty planks for the south side, facing southward.