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89 contributions to Poster Print on Demand
DPI / PPI and Upscaling - a visual guide
First: DPI or PPI? - People often say DPI when they mean PPI: pixels per inch. - Technically, DPI describes the dots a printer makes. Here, we are talking about image pixels. Why use 300 PPI? - Always prepare your artwork at 300 PPI. - This is a common target for detailed prints viewed up close. - It balances image detail and file size. More pixels mean larger files, without always producing a visible improvement. A — Midjourney upscaled does not mean A0-ready! - Our MJ Creative Upsacled image contains 1824 × 2592 pixels. - Placed on A0 canvas @ 300 PPI, it occupies only a small part of the A0 page. - The 🩷 pink area is uncovered canvas. It shows how much larger the page is than the current image. - To fill A0 at 300 PPI, we need 9933 × 14043 pixels. B — We can print it at 300 PPI but it would be much smaller than A1 🤣 - On the A1 page, the current artwork is small, leaving lots of blank paper. - In this example, each source pixel lines up with one square on the red "actual pixels" grid. - You can print it at 300 PPI but it will be very small, but will be nice and sharp on the paper (just way too small). C — Enlarging to fit does not add detail and makes it blurry ❌ - Enlarging the original artwork fills the A1 page, but spreads the same pixels over a larger area. - Each source pixel now spans roughly four grid squares on the red "actual pixels" grid. We have simply stretched the pixels to make them bigger! - The image provides only about 78 PPI at A1 which is well below our 300 PPI target 🎯. - You can print it but it will likely be blurry and lead to angry customers 😡. D — AI upscaling adds pixels ✅ - A 4 × upscale multiplies both width and height: - 1824 × 2592 → 7296 × 10368 pixels. - That gives 16 × the total pixel count. - A1 at 300 PPI needs about 7016 × 9933 pixels, so this upscaled image now has more than enough. - 🚨 AI estimates extra detail. 🚨 Check the result for altered shapes, faces, lettering or edges. - When we look at the source pixels they once again line up with one square on the red "actual pixels" grid. We have added pixels by upscaling!
DPI / PPI and Upscaling - a visual guide
1 like • 6h
@Mel Betts if you have a tower PC v a Laptop you may just be able to buy more RAM and a better Graphics card. Gemini or GPT should help with the research..
1 like • 5h
@David Holmes JPG A0 at @300 DPI or if another ratio I just export at PS's largest size for that ratio @300 DPI. CorelDraw still exists? Forgive me David we are showing our age hahah ☺️
Struggling with Upscaling & Image Sizes – Any Advice?
Hi everyone! I’m currently creating my poster designs using ChatGPT, but I’m really struggling to understand the best process for upscaling and getting them ready for printing. I’m planning to sell my designs in A4, A3 and A2 sizes. A couple of questions: - When generating an image in ChatGPT, what size should I initially create it at? - Should I upscale every design to A2 at 300 DPI straight away, then use that file for the smaller sizes? - Or should I keep the original image and only upscale it when I receive an order? - What’s the best way to ensure the prints are high quality without losing detail? I’m using Photoshop but finding the whole DPI, pixels and upscaling process quite confusing! Would really appreciate hearing how everyone else handles this and what workflow you’d recommend
1 like • 22h
https://www.skool.com/printshrimp/dpi-ppi-and-upscaling-a-visual-guide?p=d6d0209f 1 GPT will output at a fixed PPI but ask it to output in A2 ratio then check pixels you get 2 yes upscale and check it is OK before you list anything AI upscaling my change things 3 use the low rez for listings and mockups 4 essentially follow the above
0 likes • 22h
For you create a 300 PPI A2 canvas in Photoshop..
Do you have processes?
Hey all, New here, but reading through, what a great community already! I am looking for guidance on what processes you follow to create your POD artwork and upload. I will give an example of my thinking below so you know what I mean. Really open to learning! 1 - Check Pinterest / trends and other places for inspiration. 2 - Use Chat GPT agent to find print ideas, create mock-ups, product information, SEO etc. 3 - Upscale the artwork 4 - Take these mock ups, upload the listing to Etsy, link with Print Shrimp Please let me know if I am missing any steps here, really keen to improve / learn.
0 likes • 1d
For me: 1. Is it a cute fruit or animal? No ... move on 🤣 - I do what I am interesting in at the moment as that's what I enjoy ☺️ 2. Base prompt gets me my cute outline artwork from GPT - then I do some shenanigans and hey presto 🧙‍♂️ get a nice vector file. 3. Vector based so no DPI / Upscale issues for me - I could print it on the moon 🌙 and it would still be crisp 🤓 4. Affinity Designer - add one new artwork file and 💥 I get 23 images out for videos / uploads / mockups - Python does all my uploads / videos for me.
Mock-up suggestions
Hello, I just wanted to out this out there as I find the mock-ups within PrintShrimp limited for what I need. I'm using AI to try and add certain elements to bring to life my themes, but it doesn't always look great. What I'm after is: - More generic landscape poster mock-ups - Options showcasing the three different frames in portrait and landscape in one image - Christmas themed mock ups in portrait and landscape - Landscape mock ups in a children's generic bedroom I know these are specific, but i just though if I don't ask I don't get 🥰 If anyone has any ideas of what could help in the meantime I'd hugely appreciate it. Attached is an AI bedroom mockup, but it looks naff.
Mock-up suggestions
3 likes • 1d
Find a style you like just do random searches on Google, give image to GPT - ask it to write a prompt to recreate it (look at the words it uses take those) or ask it to generate something with a similar "vibe" and give it your artwork.. be specific say the images should be central face on etc, 5:7 landscape etc etc, occupy 80% of the frame... zoomed out.. Give it a sketch of the layout but a reference image for style ... I found GPT much better at this when compared to MJ as I could click on the frame in GPT and just say make this one landscape.. also tell GPT you are creating Mockups for Etsy products you are selling it tends to help.
First Framed Sale!
Had my first framed sale yesterday after being open for 2 months. Happy with the results i’m seeing in the ‘busy’ period now, £145 for one print! 🥳 now I just have to pay for it to be printed 😂
First Framed Sale!
0 likes • 1d
Spends! Haha - what a sale, well done George!
1-10 of 89
Grant Naylor
4
37 points to level up
@grant-narlor-1090
Lover of cute fruit... and veggies... and unicorns... and cats...

Active 18m ago
Joined Jun 28, 2026
INTJ
Cyprus
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