How to generate AI art using the Midjourney AI tool and then upscaling your AI image to create custom metal poster prints and unique wall art
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How to generate AI art using the Midjourney AI tool and then upscaling your AI image to create custom metal poster prints and unique wall art

by Justin Scott

How we created a fantasy pirate cate image and metal print in three easy steps

Introduction to Midjourney AI image creation and this simple tutorial guide to making metal poster prints

Artificial intelligence as a term can seem daunting and even a little scary. However, if you use your own real intelligence you can create amazing things. If you embrace the wealth of opportunity that AI has to offer you will find that it will give you a new perspective on making stunning wall art for your home or workspace and what’s more is that it can be a lot of fun.

Here, we want to walk you through an ai generated image from prompt to finished metal print. The emphasis is always on using your own creativity and using the power of ai as a tool. 

Midjourney AI prompts always start with /imagine and after that it’s up to you to imagine absolutely anything. The art world is your oyster.

So let’s get going on your Midjourney journey.

How to use AI tools to generate AI art prints for metal prints in 3 easy steps... 

Step 1: Use the power of Midjourney's AI art generator image creation tool

The Mid Journey AI interface showing the finished generated image

An Introduction to the Mid Journey AI Tool:

Once you become acquainted with the ai image generator capabilities of Midjourney you won’t look back. Midjourney is a very user friendly way to generate AI artwork. There are different parameters you can use to enhance your results. Here is a useful list of parameter terms to help you along with more information from the Midjourney website.

To use Midjourney you will need to sign up to Discord. Go to click 'Join Beta' and you'll be taken to Discord which is a chat app where Midjourney lives. You'll need to go through a few checks and to verify that you're human. Navigate to the 'Newbie" section where you will see the digital art that other people are creating. Experiment with some prompts yourself here as that section is totally free. You can then decide whether to pay for a private room.

For AI generated art inspiration check out the Midjourney Ai Community Showcase where you will find lots of amazing artwork with their prompts so that you can experiment with and tweak to get similar results with your own AI artworks.

Closeup of the Mid Journey 4x alternative images to choose from

How we created an AI Generated oil painting of a Swashbuckling Pirate Cat using Midjourney

It's time to get creative and add a description of what you would like to see. You may need several attempts to achieve the best results. Below is an example of how we used text to image to create this pirate kitty.

an atmospheric oil painting of a cat dressed as a pirate. The cat is holding a sword and on a galleon in a stormy sea,--ar 3:4--s 400

Add these parameters to end of your prompt:

--ar 3:4--

The --ar parameter will accept any aspect ratio up to the maximum aspect ratio for each model. We use 3:4 for portrait, 4:3 for landscape and 1:1 for square. Full details here.

s 400

The --stylize or --s parameter influences how strongly this training is applied. Low stylization values produce images that closely match the prompt but are less artistic. High stylization values create images that are very artistic but less connected to the prompt. Full details here.

When you submit your text prompt the exciting bit takes place. Mid Journey will serve up four images. If you like one in particular you can request more images similar to your chosen artwork by selecting V (version) followed by the number. If you are happy with one and want to proceed then select U (upload). We liked V2 of our four feline pirates so with went with U2. Click open in browser then save to your desktop.


Step 2: Use Gigapixel image upscaling to ensure the best print AI quality

Create a High Resolution version of your AI generated artwork using Topaz Gigapixel

You can use your original artwork for sharing on social media but if you want to transform your masterpiece into a beautiful metal poster (and who wouldn't?!) you will need to upscale your image file. This is where Gigapixel Ai from Topaz Labs comes in. There are many other similar tools on the market and Googling 'image upscaling tools' will reveal a whole host of alternatives. However, we just like using Gigapixel as works just great.

You can see from the image below the parameters we chose to enhance our pirate cat artwork. By upscaling the artwork by six times we achieved a clean, sharp result that will look stunning as a metal poster.

This image shows the original print then the Gigapixel AI sharpened version

The significance of AI Image upscaling for print size and quality:

In the realm of HD metal printing, image resolution size and file size are paramount when it comes to clarity. Every pixel matters. But what happens when the image you have doesn't quite meet the resolution requirements for a large print? That's where AI image upscaling comes into play. Unlike traditional upscaling methods that might stretch and blur an image, AI-driven techniques understand the content, intelligently filling in details, and enhancing clarity. This ensures that even when your artwork is magnified for a large metal print, it retains its original charm and detail, making it look crisp, clear, and captivating.



Step 3: Upload your finished image to to create an amazing piece of unique wall art decor

Now that you've created your AI generated masterpiece it's time to make it into a stunning metal print as part of your decor that everyone can admire. Simply navigate to 'Create Your Own Metal Print' on our website then follow the simple step by step guide below.

The image upload screen at Metal Printmaker
The image upload and print size selection process at
The image uploaded at
The finished metal display print on the wall at

Navigating A step-by-step guide:

  1. Prepare Your AI Art: Before you begin, ensure your AI-generated art is in the highest resolution possible. This guarantees crispness and clarity on the metal surface.

  2. Visit Head to the Create Your Own section where a user-friendly interface awaits, guiding you through the process.

  3. Choose Your Print Format: Landscape, Portrait or Square. Then select the size print you'd like to make (small, medium or large).

  4. Upload Your Art: Drag or locate your file to the 'Upload' button then review your image. Here you can do any final adjustments and crop your image if necessary.

  5. Preview: Then you'll get a preview of your print in a room setting to demonstrate the scale of the selected print

  6. Review and Order: Before finalizing, take a moment to preview your piece. Once satisfied, proceed to checkout, fill in the required details, and place your order.



Exclusive 20% off your first print at
A guy mounting his finished print on his wall
Close up corner detail showing the metal print quality


What file types do you accept?

We can process the following file types - JPG, TIFF and PSD.

How much of my image will bleed around the turned edges?

Your image will bleed around the turned edges by about 5mm. This makes the edge of the print look really smooth. However, please make sure you allow for this by not cropping your image too tight.

How do I hang my Metal  Poster Print with the Instafix Wall Magnet Mounting System

Unlike traditional canvas prints, metal prints can be hung with magnetic wall fixings. Instafix is our unique and instant wall mounting solution, specifically designed for metal prints. Every print we supply comes complete with Instafix included.

What size image do I need to upload?

Please always refer to your original image to check the quality and sharpness. Please note, simply enlarging a small image to our minimum image size will unfortunately only produce an inferior, low quality and low resolution print. That's why we recommend using the power of image upscaling tools such Gigapixel as detailed above.

See our full FAQ page here for more answers to your questions


Key takeaways and conclusion

  1. Harness the infinite possibilities of AI-Generated image creation:
    The world of art has always been dynamic, constantly evolving with the times. And now, we're witnessing a harmonious blend of technology and creativity. AI-generated art isn't just a digital file on a computer; it can be brought to life, physically, through metal prints. This melding of the digital and physical realms offers a fresh perspective on art, allowing for creations that are both modern and tangible.
  2. Transform and upscale your AI images into mega high resolution HD images:
    While machine learning and AI opens up a plethora of possibilities, the final artwork's quality is paramount. With image upscaling platforms like Topaz Gigapixel AI, users can ensure their designs are optimized for printing, capturing every nuance of their vision. Pairing this with the expertise and capabilities of ensures that the transition from digital design to metal masterpiece is smooth, preserving the integrity of the art. Plus, with the right tips and techniques, anyone can master the art of AI-assisted metal print creation, resulting in pieces that are not just beautiful but also professionally crafted.

  3. Maximizing print quality with
    At Metal Printmaker we're dedicated to creating beautiful metal poster prints for our customers. The explosion of generative image creation AI tools, combined with image upscaling AI tools, has revolutionised and the process of creating high resolution artwork and enable anyone to produce amazing metal prints and wall art. 

    In essence, the fusion of AI and metal printing is revolutionizing the way we conceive, create, and showcase art. It's a journey of discovery, innovation, and boundless creativity.

    Now it's time to bring your ai game, we can't wait to see what you create.

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