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A1 poster printing requirements

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  • 02-06-2011 4:24pm
    #1
    Buddhapadge
    Registered Users Posts: 237 ✭✭


    Hi,
    I'm just drawing up an A1 poster, and I was wondering - would a printer still require the file to be 300dpi at that size? My expertise only extends to A3 posters or less. :-)


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    #2
    Bears and Vodka
    Registered Users Posts: 2,249 ✭✭✭Bears and Vodka


    I would say so. Why not ? Hmm I can imagine your filesize already :P lovely..


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    #3
    flanree
    Registered Users Posts: 484 ✭✭flanree


    At that scale they would be happy with 25% of the physical size at 300 dpi. So for an A1, a 300dpi A3 file will be ok. This would be fairly standard if they are printing on a plotter (roll) as opposed to a sheetfed litho press. For litho, it wouldn't hurt to go a little bigger, even a 300 dpi A2 file. Always remember, if you're dealing with raster images as opposed to vectors, its pointless to increase the artwork to a pixel size greater than the original as the resolution isnt actually getting bigger its just being resampled to a larger size at the same resolution.


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    #4
    Buddhapadge
    Registered Users Posts: 237 ✭✭Buddhapadge


    Cheers for the reply folks, I had an A1 template open at 300dpi and I was worried steam would start coming out of my laptop... :-)


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    #5
    banquo
    Registered Users Posts: 9,487 ✭✭✭banquo


    Had to do an A0 before in 16bit 300dpi.

    Jesus... Christ...


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    #6
    Buddhapadge
    Registered Users Posts: 237 ✭✭Buddhapadge


    banquo wrote: »
    Had to do an A0 before in 16bit 300dpi.

    Jesus... Christ...

    How is that even possible? I can feel the laptop heating up already.


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    #7
    banquo
    Registered Users Posts: 9,487 ✭✭✭banquo


    Had 4th of ram but a pretty decent processor. 'Select -> lasso' *5 minutes go by before ps is usable again*. It took days!


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    #8
    Buddhapadge
    Registered Users Posts: 237 ✭✭Buddhapadge


    I can only imagine. I hope it was worth it in the end.


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