Building Reverse Engineering Reality with Google Gemini

This is a submission for the Built with Google Gemini: Writing Challenge What I Built with Google Gemini I built an app called "Reverse Engineering Reality." You upload a photo of any everyday object, and it gives you detailed instructions for assembling or disassembling it. The instructions are fictional but surprisingly detailed complete with materials, tools, step-by-step guides, and custom illustrations for each step. The idea came from that moment when you look at something and wonder how it's made. Instead of just wondering, you get an actual blueprint. It's part educational, part creative experiment. You can take a photo of your coffee maker or a lamp and get a full breakdown of how you'd theoretically build it from scratch. I used gemini-2.5-flash for the core analysis and text generation, and imagen-4.0-generate-001 for creating the step illustrations. The app analyses your photo, identifies objects in it, lets you pick which one you want instructions for, then generates every