Sforno on Exodus 39:32/ספורנו על שמות ל״ט:ל״ב

1ותכל...ויעשו בני ישראל, the work in its totality was attributed to all the people of Israel seeing that each one of them had a direct or indirect share in it, whether by contributing material, labour, or skill.

2כן עשו. They did exactly as instructed, neither adding nor subtracting from the instructions.