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Look closely and you will see the reflection of the flashlight
light on each of the 4 steelies.

This is not very evident in mid-day but is much more impressive when seen in a darkened room at night.

The background was a scanned photograph of some galaxy (can't recall
the name).   This scanned image was then printed on photo quality paper,
trimmed to size and glued to the back side of the unit.