How a solo founder used Codex and ChatGPT to launch a fashion brand without engineers | Yana Welinder

<p><strong>Yana Welinder</strong> is the solo founder of Yana Bana, an AI-native fashion brand built with AI as her technical co-founder, starting from hand-drawn sketches and ending with runway photos, CAD files for 3D printing, and a live Stripe-connected pre-order site—no engineers required. A former product leader, she brings an operator’s rigor to her creative process: her “fashion prompt” is a detailed spec covering silhouette, volume, fabric behavior, movement, and sound, and watching her use Codex plus computer use to navigate 3D design software that’s entirely new to her is a clarifying demo of what today’s toolset actually makes possible.</p><p><br></p><p><strong>What you’ll learn:</strong></p><ol><li>How Yana uses a custom fashion prompt as a technical spec to get consistent, realistic, on-design outputs</li><li>Why ChatGPT Images 2.0 outperforms other models for fashion design</li><li>How she uses Codex plus computer use to operate CAD and fashion software she’s never personally learned</li><li>The workflow for taking a garment from hand-drawn sketch to product photo, runway photo, and influencer shot in a single session</li><li>How she ran vendor outreach end to end using deep research and browser use</li><li>How she built a full e-commerce site with voting, databases, and Stripe integration</li><li>Why she’s testing human patternmakers and Codex in parallel</li></ol><p>—</p><p><strong>Brought to you by:</strong></p><p><a href="https://www.merge.dev/howiai" target="_blank" rel="ugc noopener noreferrer"><strong>Merge</strong></a>—Connective infrastructure for production AI</p><p><a href="https://jira.dev" target="_blank" rel="noopener noreferer"><strong>Jira AI SDLC</strong></a>—Get your tokens’ worth with Jira</p><p>—</p><p><strong>In this episode, we cover:</strong></p><p>(00:00) Introducing Yana Welinder and Yana Bana</p><p>(02:38) Tour of the Yana Bana site</p><p>(05:20) The fashion prompt stack</p><p>(07:39) Live demo: generating a jacket from a prompt in ChatGPT</p><p>(10:01) Why Image Gen 2.0 beats other models</p><p>(11:51) The “prompt as spec” principle</p><p>(14:02) Iterating the design</p><p>(17:12) Using Codex and computer use to build CAD files in 3D software</p><p>(20:50) Vendor research, outreach emails, and Superhuman browser use</p><p>(23:34) Building the full e-commerce site</p><p>(27:40) Quick recap and what’s still hard</p><p>(30:05) How Yana prompts when AI pushes back</p><p>(31:15) Where to find Yana and how to vote on her garments</p><p>—</p><p><strong>Tools referenced:</strong></p><p>• ChatGPT (Images 2.0): <a href="https://chat.openai.com/" target="_blank" rel="ugc noopener noreferrer">https://chat.openai.com</a></p><p>• Codex (OpenAI): <a href="https://openai.com/codex" target="_blank" rel="ugc noopener noreferrer">https://openai.com/codex</a></p><p>• CLO 3D (fashion pattern software): <a href="https://www.clo3d.com/" target="_blank" rel="ugc noopener noreferrer">https://www.clo3d.com</a></p><p>• Vercel: <a href="https://vercel.com/" target="_blank" rel="ugc noopener noreferrer">https://vercel.com</a></p><p>• GitHub: <a href="https://github.com/" target="_blank" rel="ugc noopener noreferrer">https://github.com</a></p><p>• Stripe: <a href="https://stripe.com/" target="_blank" rel="ugc noopener noreferrer">https://stripe.com</a></p><p>• Superhuman: <a href="https://superhuman.com/" target="_blank" rel="ugc noopener noreferrer">https://superhuman.com</a></p><p>—</p><p><strong>Other references:</strong></p><p>• Ruth Asawa: <a href="https://ruthasawa.com/" target="_blank" rel="ugc noopener noreferrer">https://ruthasawa.com</a></p><p>• SFMOMA (Ruth Asawa): <a href="https://www.sfmoma.org/artist/Ruth_Asawa/" target="_blank" rel="ugc noopener noreferrer">https://www.sfmoma.org/artist/Ruth_Asawa/</a></p><p>—</p><p><strong>Where to find Yana Welinder:</strong></p><p>LinkedIn: <a href="https://www.linkedin.com/in/ywelinder/" target="_blank" rel="ugc noopener noreferrer">https://www.linkedin.com/in/yw