I could have made a video of this but here it is in photos. The cup is missing a large piece which needs to be restored. The shape needs to fit the curve of the cup and the inside of the form needs a barrier so any medium placed doesn’t just fall out. I put a piece of paper on the inside that will act as the form, taping it in place. I then put the medium in place, using a light touch, and have the cup to this point.
Here is a video showing how to do the application of gold.
The next step in repairing this vase.
Here is a new video on sanding chips.