Fusing tealights is an excellent way to use odds and ends of scrap glass.
The mold used for the bending is by Creative Paradise, mold GM10. Here is the link to their website for that mold.
Tealights Video Part One is a tutorial for making the blank with design elements such as glass frit. Part One includes the firing schedule but it does not cover the firing technique itself. That process is described in Tealights Video Part Two.
Tealights Video Part Two demonstrates how to fire the blank to bend it into the three-dimensional shape. Part Two includes the firing schedule.