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May 2, 2013 at 1:59 am
#1644
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Keymaster
Hi Kimberly, Sorry about that. The dimensions I gave you originally: 1400×2100, while in the correct ratio, will only be 70 DPI when printed at 20×30. You can instead create a blank canvas of size 3200×4800 which will give you 160 DPI when printing, which should be sufficient for a large poster.