What is the significance of the words "le'Melachah asher Tzivah Hashem La'asos osah"?
Seforno: The Mishkan 1 and each and every K'li in it had specific measurements - no less, no more! Consequently, the moment the donations exceeded those measurements, they were instructed to stop donating.
As opposed to the Batei-Mikdash of Sh'lomoh and of Herod (Seforno).
What did they do with the excess donations?
Rashi (in Terumah): Refer to 25:3:2:1.
Ramban and Moshav Zekenim (both in Pasuk 3: The excess donations were used, either for Bedek ha'Bayis (repairs in the Mishkan) or to manufacture K'lei Shareis (and the Torah did not discuss it since it was only a small amount - Ramban and Moshav Zekenim in Pasuk 3) -
