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Jul 13, 2021 Jul 13, 2021

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I've been hired by an employer to create a large banner that is roughly 10ft x 10ft. I have never really worked on art that large before so I was wondering what resolution should my file be along with other specifics such as DPI etc. 

 

Thanks!

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Adobe Community Professional ,
Jul 13, 2021 Jul 13, 2021

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50 to 100 would be good. Check with their printer.

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Adobe Community Professional ,
Jul 13, 2021 Jul 13, 2021

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»dpi« are none of your business unless you are the actual print provider, you probably mean »ppi«. 

 

The necessary resolution depends on the intended (or likely) viewing distance, in a case like this I would expect 72ppi effective resolution to be plenty. 

http://www.northlight-images.co.uk/article_pages/print_viewing_distance.html

 

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Adobe Community Professional ,
Jul 13, 2021 Jul 13, 2021

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Being it is so large it is most likely for billboard or sign usage. I would recommend for the print world it should be 300dpi or 118.11 ppi to keep the best resolution.

 

Like c.pfaffenbicher said it really depends on the usage and your printer.

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Adobe Community Professional ,
Jul 13, 2021 Jul 13, 2021

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ppi is not a magic figure. The required ppi reduces with viewing distance. Work out the viewing distance in inches then use the formula below.

ppi required = 6878/Viewing distance

As an approximation a 10ft x 10 ft poster is unlikely to be viewed closer than 10 feet (120inches). So that forumala works out as :

ppi required = 6878 / 120 = 57ppi

 

Using any higher resolution at a 10 foot viewing distance is wasted. Our eyes simply cannot resolve it. If you know the viewing distance will be different, then substitute it into the formula.

 

Dave

 

 

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