Exodus 25:11

And thou shalt overlay it with pure gold, within and without shalt thou overlay it, and shalt make upon it a crown of gold round about.

Cross-reference

Exodus 25:24 uses the same gold overlay and molding instruction for the table of showbread, mirroring the ark's design.

Exodus 26:29 gives the same gold overlay instruction for the tabernacle frames, reinforcing the pattern of overlaying.

Exodus 30:3 applies the same gold overlay and molding pattern to the altar of incense, similar to the ark.

1 Kings 6:20 describes overlaying the inner sanctuary with gold, echoing the gold overlay of the ark here.