How to put the light in the star bottle?

The light in the star jar is put like this:

1. Cut the tin foil to a size just enough to fit in a glass jar, and draw a bitmap of each constellation with strokes on the back of the tin foil.

2. Make a small hole on the tin foil according to the constellation lattice with an awl or a sharp needle.

3. Glue the two ends with transparent glue to make a tin foil cylinder engraved with constellations.

4. Carefully put the tin foil tube into the glass jar or jar, and put the LED wall lamp with button cell in it.