Hebrews 8:5

The place where they serve is a copy and shadow of what is in heaven. This is why Moses was warned when he was about to build the tabernacle: “See to it that you make everything according to the pattern shown you on the mountain.”

Note Exodus 25:40; see also Exodus 26:30.

BSB · Berean Standard Bible
Who serve unto the example and shadow of heavenly things, as Moses was admonished of God when he was about to make the tabernacle: for, See, saith he, that thou make all things according to the pattern shewed to thee in the mount.
KJV · King James Version
who serve a copy and shadow of the heavenly things, even as Moses was warned by God when he was about to make the tabernacle, for he said, “See, you shall make everything according to the pattern that was shown to you on the mountain.”
WEB · World English Bible
who serve that which is a copy and shadow of the heavenly things, even as Moses is warned of God when he is about to make the tabernacle: for, See, saith he, that thou make all things according to the pattern that was showed thee in the mount.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

the example
Hebrews 9:9, 23, 24; Hebrews 10:1; Colossians 2:17
See
Exodus 25:40; Exodus 26:30; Exodus 27:8; Numbers 8:4; 1 Chronicles 28:12, 19; Acts 7:44