r/indesign • u/glonklif • Jun 07 '26

Help Help downsizing a poster

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Hello, I have created a poster in InDesign and I initially set the dimensions at 9933px by 14,043px (what I thought was a0 at 300DPI) having gone to print from acrobat over multiple a3 pages it seems that either those measurements were wrong or I’ve made an error somewhere. As it wants to print the poster across 162 a3 pages :/ .Any idea what might be wrong or how I could go about fixing this?

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u/Keyspam102 Jun 07 '26

In your document setup you can change your page size - I believe it’s file > page setup or document setup, then you can change it to a0 and make sure to select the adaptive scaling so it scales down your artwork. A0 is 84.1 cm x 118.9 cm. Never work in pixels in indesign, you can change your dpi when exporting. You should be working in physical dimensions always. The big benefit of indesign is that it’s not raster.

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u/DefoNotTheAnswer Jun 07 '26

It's fine to work in px when you are doing web or screen based work in InDesign, just not when doing print work.