Stop scrolling Pinterest and start building! In this beginner-friendly tutorial, you'll learn how to build a fully functional AI Interior Designer application. We use n8n as our powerful automation back end, Google Gemini to handle the creative redesign logic, and Tinyhost to deploy a simple front end. By the end of this video, you’ll have a "blueprint" for transforming any AI workflow into a real-world web application. Whether you want to redesign your own living room or learn how to commercialize AI automations, this step-by-step guide covers everything from Webhook security to binary-to-base64 conversion.