Exodus 33:1-11 speaks about Israel's repentance and restoration and Moses makes his tent the tabernacle of meeting. Here is a link to David Guzik's commentary on Exodus 33: enduringword.c...
Very interesting your remark about the ornaments being used in the building of the Mishkan. I think that it is also very symbolic that it was with the earrings of the woman that the golden calf was made.
Abraham experience the presence of Jehova's Angel, which happens to be Yeshua ha Mashiaj. He is the way in which God is manifested to man (Heb 1:3 Who being the brightness of his glory, and the express image of his person, and upholding all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the Majesty on high;)