Exodus 36:20 KJV

And he made boards for the tabernacle of shittim wood, standing up.
Exodus 36:20, King James Version

In context

19 And he made a covering for the tent of rams’ skins dyed red, and a covering of badgers’ skins above that.

20 And he made boards for the tabernacle of shittim wood, standing up.

21 The length of a board was ten cubits, and the breadth of a board one cubit and a half.