15 “You are to make upright planks of acacia wood for the tabernacle.
16 The length of each plank is to be 15 feet, and the width of each plank 27 inches.
17 Each plank must be connected together with two tenons. Do the same for all the planks of the tabernacle.
18 Make the planks for the tabernacle as follows: 20 planks for the south side,
19 and make 40 silver bases under the 20 planks, two bases under the first plank for its two tenons, and two bases under the next plank for its two tenons;
20 20 planks for the second side of the tabernacle, the north side,
21 along with their 40 silver bases, two bases under the first plank and two bases under each plank;