As a marketer and creative professional, I’m always looking for ways to scale creative production without sacrificing quality. Recently, I built an automated workflow that generates unique, professional-grade product designs on demand and I want to show you exactly how I did it.
In this post, I’ll walk you through building an AI-powered automation system using n8n (a free, open-source workflow automation tool) that:Generates completely unique design prompts using AI
Creates high-quality, print-ready images (transparent PNGs with rich colors)
Automatically uploads finished designs to Google Drive
Produces 20 designs in just minutes
Costs mere cents per design (vs. $20-50+ per custom illustration)The Challenge: Scaling Creative Production for Print-on-Demand
If you’re selling on platforms like Etsy, Redbubble, or running your own POD store, you know the challenge: you need a constant stream of fresh, unique designs to stand out. Hiring designers for every single design is expensive. Using the same templates over and over makes your shop look stale.
That’s where automation + AI comes in.
The Solution: An AI-Powered Design Workflow
I built this system using three key tools:
- n8n – Free, self-hostable workflow automation (think Zapier, but you own it)
- OpenAI’s GPT-4 – For generating unique, creative prompts
- OpenAI’s DALL-E – For turning those prompts into print-ready images
- Google Drive – For automatic storage and organization
How the Workflow Works (Step-by-Step)
Step 1: Configure the Batch Size
The workflow starts with a simple configuration node where I can set how many designs I want to generate. For this example, I set it to 20 Christmas kawaii cat designs.Step 2: AI Generates Unique Prompts
Here’s where it gets interesting. Instead of using the same prompt 20 times (which would give you 20 similar-looking cats), I use GPT-4 to generate a completely unique prompt for each design.
The AI prompt generator receives these instructions:
“You are a prompt generator for an AI image model. Generate one short, vivid prompt for a ‘christmas kawaii cat’ illustration. Always keep the style cute, pastel, and Christmas-themed, but invent completely new scenarios, poses, props, and backgrounds each time. Output only the prompt text, no explanations.”
With temperature set to 0.9, the AI gets creative and invents:
- A kawaii cat wearing a tiny Santa hat, peeking out of a gift box
- A cat wrapped in twinkling Christmas lights next to a fireplace
- A fluffy kitten holding a candy cane in a snowy town square
- …and 17 more completely unique concepts
Step 3: Build the Perfect Image Prompt
The AI’s creative idea then gets combined with technical requirements to ensure print-ready quality:[AI's creative idea], sticker-style transparent PNG, no scenery, no objects behind the cat, background must be fully transparent, rich saturated Christmas colors (deep reds, emerald greens, gold accents), strong contrast, crisp clean outlines
This ensures every image is:
- Unique and creative (from the AI prompt)
- Technically perfect for print (transparent background, rich colors, clean edges)
- Consistent in quality across all 20 designs
Step 4: Generate the Images
The combined prompt goes to DALL-E 3, which creates a 1024×1024 PNG image. The workflow processes all 20 designs automatically, one after another.
Step 5: Automatic Upload to Google Drive
Each finished design is automatically uploaded to a designated Google Drive folder with a timestamped filename like design-2025-11-30-22-15.png.
No manual downloads. No file management. Just 20 fresh designs ready to use.
The Results
Time: ~5-10 minutes for 20 complete designs
Cost: Approximately $0.40-0.80 (depending on image model)
Output: 20 unique, print-ready, professional illustrations
Compare that to hiring a designer:Traditional designer: $20-50 per design = $400-1000 for 20 designs
Design templates: Limited customization, everyone uses the same ones
This automated workflow: Under $1 for 20 completely unique designs
Business Applications
This workflow isn’t just for kawaii cats. You can adapt it for:
Print-on-Demand Businesses:
- Generate seasonal design collections (Halloween, Valentine’s, Back-to-School)
- Create niche-specific products (yoga quotes, gaming memes, pet portraits)
- Test design concepts quickly before committing to paid designs
Marketing & Social Media:
- Create branded social media graphics at scale
- Generate ad creative variations for A/B testing
- Produce email header images for campaigns
Client Work:
- Rapid prototyping for client presentations
- Generating mockup concepts
- Creating mood boards and style explorations
The Tech Stack Breakdown
n8n (Free + Self-Hosted)
- I’m running n8n on Render’s free tier
- Completely free workflow automation
- You own your workflows and data
OpenAI API
- GPT-4 for prompt generation: ~$0.01 per prompt
- DALL-E 3 for images: ~$0.04 per 1024×1024 image
- Total cost for 20 designs: under $1
Google Drive (Free)
- 15GB free storage
- More than enough for thousands of designs
What’s Next?
This workflow is just the beginning. You could extend it to:
- Automatically upload designs directly to Etsy or Printful
- Generate product mockups automatically
- Create entire product listings (title, description, tags) with AI
- Schedule batches to run daily for consistent content
Final Thoughts
As marketers and creatives, we’re entering an era where technical skills + creative thinking = superpowers. You don’t need to be a developer to build powerful automation systems—you just need to understand how to connect the right tools.
This Christmas kawaii cat workflow took me about 2 hours to build and has already saved me dozens of hours of design work. More importantly, it’s given me a scalable system I can adapt for any design need.
Want to build your own AI automation workflows? I specialize in helping businesses implement practical AI solutions. Contact me to discuss how automation can transform your creative workflow.
Tags: AI automation, n8n workflow, print on demand, automated design, DALL-E, GPT-4, marketing automation, POD business, design automation, workflow automation
