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Question:

How do I project a gobo onto a glass building?

I want to project a company's logo with a gobo onto a glass building. Projection distance is about 150'-200'. Projectors are also an option for me as we have those and access to large ones as well.

Answer:

How clean is the glass in the building? And what color? You may not be able to produce anything that can be reliably seen in that clean glass will reflect the light up and away and not back to viewers at ground level and many buildings have gray or black glass that is intended to block heat from getting inside and will absorb the light from the spot light. The obvious direct answer is that you buy/rent a large theatrical ellipsoidal spot and mount it in a protective hut and mount the gobo on the nose - but you probably knew that if you knew the term gobo.
Apr 14, 2017
Is there something behind the glass windows, curtains, blinds, etc. to project on? If not you might have to hang some pipe and drape inside so you have a palate for the image.
Apr 14, 2017

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