How to Use Google Gemma 4 for FREE Print On Demand Research

About this video

The creator demonstrates using Google’s Gemma 4 model for free in Google AI Studio for print-on-demand research, in a three-prompt workflow. Prompt 1 asks for 15 specific niche ideas for Q3 2026 for t-shirts on Merch by Amazon, Etsy, and Redbubble, targeting working professionals aged 25 to 45 in the United States, with niche name, why it would sell now, a sample text-based design idea, and estimated competition level (low/medium/high), specific enough to stand out but broad enough for search traffic. Example categories returned include hybrid work, AI-integrated professional, prompt engineer, high-stress professional identity, project manager, telehealth, cybersecurity, teacher August reset, corporate Sunday scaries, Labor Day irony, desk yoga, and digital detox. He picks niche number five, the prompt engineer struggle. Prompt 2 asks for five specific text-based t-shirt designs for that niche with exact shirt text, visual style description, and five keywords for a Merch by Amazon title and bullets; examples shown include ‘I spent three hours prompting the AI to save me 15 minutes of work,’ ‘Prompt, fail, tweak, repeat,’ ‘It’s not a bug. It’s a prompt error,’ and ‘Ask me about my system prompt.’ Prompt 3 asks for a detailed image-generation prompt for a print-ready design with transparent or solid black background, high contrast, clean edges, and style keywords. He pastes that prompt into Ideogram AI, generates ‘My prompt was perfect. The AI just didn’t get it,’ then uses background removal and 2K upscaling inside Ideogram before download. He notes the same prompts work in other AI tools and that results vary on each run.

Key takeaways

• Use Gemma 4 free in Google AI Studio with a 3-step chain: niche list, then design ideas for one niche, then an image-generation prompt
• Prompt 1 structure: ask for 15 niches for a quarter/year, audience age and country, with why it sells, sample text design, and competition level
• Prompt 2 should return exact shirt text, visual style/typography notes, and 5 keywords usable in Merch by Amazon title and bullets
• Prompt 3 should specify print-ready requirements: transparent or black background, high contrast, clean edges, readable at t-shirt size
• Finish in Ideogram AI with background removal and upscaling; creator notes Ideogram handles text well but not 100%, roughly 80-90% on a good day in his experience

Episode details: published April 4, 2026 · 14:55 long. Summary written by Self Growth Videos from the episode itself. Business results and any income figures mentioned are RJ Martinez’s own claims, shared for education — they are not typical or guaranteed.

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