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Automated Image Extraction Tool Using a 3x3 Grid
Author: underwoodModel: nanoBanana-ProPublished: 12/17/2025, 6:18:37 PM
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Previously, I used to send a 3×3 grid to Nano Banana Pro and ask it to extract an image by “row and column” — and it failed way too often. So I ended up building a small tool myself: Just upload an image ✅ Automatically generate a 3×3 grid ✅ Split it instantly and export any single cell in high resolution ✅
Prompt breakdown
Subject
Automated Image Extraction Tool Using a 3x3 Grid
Scene
Avatar
Style and lighting
nanoBanana-Pro
Details to preserve
Previously, I used to send a 3×3 grid to Nano Banana Pro and ask it to extract an image by “row and column” — and it fa...
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