I've got several wallpapers 1920x1080, 2048×1080 resolution, as well as smaller pictures that I want to make suitable (i.e. quality, resolution, etc) to be printed into A0 posters.

I have access to Adobe image manipulation products if that's necessary.

How do I go about that?

Well, I guess Google can help.

Went from enter image description here     to    enter image description here    ...

Yes, I might've overdone it a bit. But I'm happy with it to print on an A3/A2 poster. I'm not entirely satisfied how the eye came out, but I can only do so much with Illustrator. I'm no graphic designer.

closed as off-topic by Hanna, joojaa, Scott, Zach Saucier, go-junta Sep 18 '15 at 4:33

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "If you're asking for help with implementation, please include what you've tried and why it didn't work with screenshots. Please edit your post with what your desired results are, what resources you referenced and why those didn't work. See this meta post for discussion and see this post on how to ask a good question." – Hanna, joojaa, Zach Saucier
If this question can be reworded to fit the rules in the help center, please edit the question.

  • Unfortunately fairy godmothers and wishing wells do not exist. – joojaa Sep 17 '15 at 22:35
  • Hi Grumpy ol' bear, can you tell us what you have tried and why that didn't work. You say you have Adobe image manipulation products, are you planning to do this in Photoshop? Making pictures "Suitable" is somewhat vague. You can certainly upscale an image using the 10% trick but the image will end up pixelated. – AndrewH Sep 17 '15 at 22:42
  • Take a look at this: graphicdesign.stackexchange.com/questions/60323/… – Rafael Sep 17 '15 at 22:46
  • 1
    possible duplicate of What resolution should a large format artwork for print be? – go-junta Sep 18 '15 at 4:33
  • I haven't tried anything, 'cos I have no idea how and where to start. It just something I wanted to do and experiment around privately as a fun side-project. I'm not a graphic designer, but I do know my way around a little bit, so I thought that'd be a good start. Apparently I'm in the wrong Stackexchange...it used to be about Q&A, now it's just like these job descriptions. In order to ask a question in any Stackexchange, you have to have an advanced degree, 50000 hours of practice, preferably 3-5 years of experience and more. Closed this question, delete it, whatever floats all y'all's boats. – Grumpy ol' Bear Sep 18 '15 at 11:22

Unfortunately you cannot achieve this with your current reference files and maintain a pleasing level of quality.

You could try to find these images on a stock website or contact the owners, distributors, licensees, etc and purchase a higher MB file size. Preferably no less than 15-25 MB depending on your definition of good quality.

Her is why:

The A0 paper is approx. 33w x 46l

The desktop resolutions will not put enough ink per inch (see 10dpi) for comparable size using these resolutions.

With your current files you may produce a reasonable quality print (see 150 dpi), but it would be no bigger than 13w x 7l. Increasing the quality (dpi) decreases the printed size.

Sorry that's not what you want to hear.

  • I also wanted to leave you with this link for future reference - I forgot to add it to the post! toolstud.io/photo/… – user51113 Sep 18 '15 at 16:32
  • MB is not by any means measure of either quality or size. – Rafael May 24 '17 at 14:58

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