Customizable Chain Generator - 3D Printable Parametric Links

The toy they will ask about long after the party.

94k downloads in the maker community

$8.99

Color: Gray

Printed in the USA when you order.

1.You order it
2.We print it fresh
3.It ships to you

Prints without support structures or assembly required
Fully parametric OpenSCAD script lets you customize link dimensions
Default 22 x 12mm links with 3.5mm cross-section, easily adjustable
Perfect for creating functional chains, puzzles, and mechanical demonstrations
Clean geometry designed for reliable print-in-place results

This parametric chain generator is an OpenSCAD script that creates interlocking link chains designed to print in place—no support structures or post-print assembly needed. Whether you need a functional chain for mechanical projects or an engaging puzzle piece, this customizable design delivers clean, reliable results straight off the print bed.

The default link dimensions are 22 x 12mm with a 3.5mm diameter cross-section, but the parametric nature of the script means you can easily adjust these measurements to suit your specific needs. The script generates clean link geometry that ensures proper clearance between links while maintaining strength and flexibility.

Simply customize the parameters through OpenSCAD or the built-in customizer to create chains of any length with your preferred link size. The supportless design makes printing straightforward and eliminates the cleanup work typically required with traditional chain models.