#321 · Primary category： Computer Vision
KeyForge3D
KeyForge3D is an app that turns a photo of a key into a 3D-printable STL file. Ideal for locksmiths and hobbyists, it analyzes the key's bitting pattern using image processing and generates an accurate 3D model for quick replication.
Project last updated：04/04/25
GitHub Stars
615
Forks
55
Contributors
1
License
MIT
Why we included this project
KeyForge3D solves a narrow problem well: turn one photo of a key into an STL you can print. It uses OpenCV to trace the key's outline and read the bitting pattern, then builds a 3D model from that profile and exports it ready for slicing. The Tkinter GUI keeps the workflow to a couple of clicks, and the pixel-to-millimeter scaling, adjustable with a reference object in the photo, helps the printed key come out at real dimensions. It is a focused utility rather than a general framework, so it works best as a working reference or a starting point for your own key-replication or shape-extraction projects. The code is compact and readable, which makes adapting it to related image-to-3D tasks straightforward.
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