Fractal Vise Jaw Adapter
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Fractal vise jaw replacement for 4-6" jaws in an actual vise.
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Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Fractal Vise Jaws
Adaptive 3D-printable jaw inserts that conform to irregular and organic shapes
Standard flat vise jaws struggle with anything that isn’t square or cylindrical. These fractal jaws solve that problem by using a nested, articulated set of segments that can independently shift and rotate. The result is a gripping surface that wraps around odd geometries instead of just pinching two points.
How it works
Each jaw is made of four nested fractal segments (Tiny → Small → Medium → Large). The segments slide and pivot relative to one another, allowing the contact surface to automatically adjust to the workpiece. A simple post-and-C-clip system locks the largest segment to the adapter block while still permitting full range of motion.
Compatibility
Designed as a drop-in replacement for common 4" and 6" machine vise soft jaws. The adapter block mounts using the standard hole pattern shown in the drawing.
Printability
- Fully optimized for standard FDM printers
- No supports required on any of the fractal segments
- Adapter block includes built-in break-away supports
Assembly
1. Slide the fractals together in order: Tiny → Small → Medium → Large
2. Slide the Large segment onto the post on the Adapter Block
3. Secure with the C-clip