
Written by a model from the transcript; not yet reviewed.
This episode explores how a solo founder uses AI tools like Codex and ChatGPT to design, build, and market an AI-native fashion brand called Yana Banana without hiring a traditional technical team. The guest shares her step-by-step workflow, starting from hand-drawn sketches to generating detailed fashion prompts, creating Vogue-style runway photos, and even building CAD files and websites using computer use agents. They discuss how treating prompts as precise product specifications unlocks creativity and makes previously impossible execution hurdles completely practical.
Listeners will learn actionable frameworks for writing better prompts, leveraging agents to interface with external software like CAD and email clients, and running human-in-the-loop validation alongside generative AI. The conversation also covers the remaining friction points in fashion tech, such as generating accurate sewing patterns, and the practical mindset required to push past initial AI refusals to get work done.
The hosts introduce the episode, the sponsor, and set the stage for the guest’s story.
She details her custom “fashion prompt” that guides AI to produce realistic, fabric‑aware images.
She describes building a pre‑order website, integrating Stripe, and using AI to update site features on the fly.
Yana shows how she uses AI to research manufacturers, draft emails, and manage outreach via voice commands.
Yana reflects on the hardest parts: achieving unique, realistic images and generating accurate patterns.
She shares her approach to polite, direct prompts to get better AI responses.
Building Without Engineersinsight
The guest explains how she bypassed hiring a traditional technical team by using Codex to build her website and handle core technical infrastructure.
Developing the Fashion Promptstrategy
A breakdown of the detailed prompting framework used to capture garment silhouette, fabric flow, volume, construction, and movement.
Prompts as Product Specsinsight
The host argues that a good prompt is essentially a product requirements document, and what works well for AI is also what humans need to execute properly.
An anecdote about how being repeatedly exposed to artist Ruth Asawa's work led directly to designing a loop-wired sculpture dress.
The guest discusses designing a gown inspired by sculpture work that requires 3D printing individual ball pieces using generated CAD files.
Using Computer Use for CADstrategy
The guest details instructing Codex via computer use to operate specialised 3D fashion and design software to generate manufacturing files.
The Unsolved Pattern Problemdebate
The guest reveals that generating accurate clothing patterns remains an unsolved bottleneck, forcing her to run human pattern makers and AI in parallel.
Polite Prompting Strategystrategy
The guest explains why she maintains politeness and says please and thank you to AI models to keep them anchored in professional corpora.
Yana Welinder 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. What you’ll learn: How Yana uses a custom fashion prompt as a technical spec to get consistent, realistic, on-design outputsWhy ChatGPT Images 2.0 outperforms other models for fashion designHow she uses Codex plus computer use to operate CAD and fashion software she’s never personally learnedThe workflow for taking a garment from hand-drawn sketch to product photo, runway photo, and influencer shot in a single sessionHow she ran vendor outreach end to end using deep research and browser useHow she built a full e-commerce site with voting, databases, and Stripe integrationWhy she’s testing human patternmakers and Codex in parallel— Brought to you by: Merge https://www.merge.dev/howiai—Connective infrastructure for production AI Jira AI SDLC https://jira.dev—Get your tokens’ worth with Jira — In this episode, we cover: (00:00) Introducing Yana Welinder and Yana Bana (02:38) Tour of the Yana Bana site (05:20) The fashion prompt stack (07:39) Live demo: generating a jacket from a prompt in ChatGPT (10:01) Why Image Gen 2.0 beats other models (11:51) The “prompt as spec” principle (14:02) Iterating the design (17:12) Using Codex and computer use to build CAD files in 3D software (20:50) Vendor research, outreach emails, and Superhuman browser use (23:34) Building the full e-commerce site (27:40) Quick recap and what’s still hard (30:05) How Yana prompts when AI pushes back (31:15) Where to find Yana and how to vote on her garments — Tools referenced: • ChatGPT (Images 2.0): https://chat.openai.com https://chat.openai.com/ • Codex (OpenAI): https://openai.com/codex • CLO 3D (fashion pattern software): https://www.clo3d.com https://www.clo3d.com/ • Vercel: https://vercel.com https://vercel.com/ • GitHub: https://github.com https://github.com/ • Stripe: https://stripe.com https://stripe.com/ • Superhuman: https://superhuman.com https://superhuman.com/ — Other references: • Ruth Asawa: https://ruthasawa.com https://ruthasawa.com/ • SFMOMA (Ruth Asawa): https://www.sfmoma.org/artist/Ruth_Asawa/ — Where to find Yana Welinder: LinkedIn: https://www.linkedin.com/in/ywelinder/ X: https://x.com/yanabana Website: https://www.yanabana.com https://www.yanabana.com/ — Where to find Claire Vo: ChatPRD: https://www.chatprd.ai/ Website: https://clairevo.com/ LinkedIn: https://www.linkedin.com/in/clairevo/ X: https://x.com/clairevo — Production and marketing by https://penname.co/. For inquiries about sponsoring the podcast, email [email protected].
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