'Projections' in the Bible

with two projections per frame parallel one to another. You are to make all the frames of the tabernacle in this way.

and you are to make forty silver bases to go under the twenty frames -- two bases under the first frame for its two projections, and likewise two bases under the next frame for its two projections;

with two projections per frame parallel one to another. He made all the frames of the tabernacle in this way.

He made forty silver bases under the twenty frames -- two bases under the first frame for its two projections, and likewise two bases under the next frame for its two projections,