Kara Walker shadow
puppets
Other technic
A gobo (or GOBO)
derived from "Go Between" or "Goes Before Optics" is a physical template
slotted inside, or placed in front of, a lighting source, used to control the
shape of emitted light.
In the design of an
artificial environment in which lighting instruments are
used, it is sometimes desirable to manipulate the shape of the light which is
cast over a space or object. To do so, a piece of metal with patterned holes
through which light passes is placed in the beam of light to allow only the
desired "shape" or pattern through, while blocking the rest of the
light, casting a specific shadow/light into the space.
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