Our tradition tells us that God forgave the Jewish people for the sin of the Golden Calf on Yom Kippur.
The next day Moshe gathered the people and told them about the Divine command to build the Tabernacle (Mishkan).
After the sin of the Golden Calf, God told Moshe that he was going to destroy the Jewish people.
After Moshe destroyed the Golden Calf he then went back up to Har Sinai to plead for the people (Shemot 32:30-32).
Moshe pleaded with HaShem that the Divine Presence would remain with them. Here is part of that exchange (translation from Judaica Press):