1
vote
2answers
71 views

Avoiding resolution problems with collages

I am trying to create my first medium-sized poster in Photoshop, to print at 300ppi on A3. I need to bring together a collage of small files but I am worried that I will inadvertently expand one of ...
1
vote
0answers
324 views

Photoshop: Pixel pattern blurry on export to PDF

I am designing an A1 poster (at 300 dpi) and am noticing blurriness on a pixel pattern when I export my PSD to PDF. My methodology for generating the PDF is as follows: Flatten the image Save as -> ...
3
votes
6answers
3k views

Techniques for very large image

I need to do a poster, 8m width by 3.7m height, consisting of photographic elements that will be seen from varying distances. I've talked to the printer and they can do it at 150ppi's. The issue here ...