How to Create Chains in Blender: Curves, Repetition and Path Control

A chain is a simple idea — one link repeated many times — but making it flexible, editable and reliable around complex paths is a much more interesting modeling problem. The best workflows separate the link design from the path that controls it.

Model one link, not the entire chain

Start by making one clean chain link with a sensible polygon count and correct scale. A beveled curve converted to mesh can work for simple links, while more specific industrial or jewelry shapes may need direct modeling.

Check the link from the distance at which it will actually be seen. A chain used as a background barrier does not need the same topology as a necklace in a product close-up.

Build a repeatable unit

Many chains alternate the rotation of neighboring links. You can treat two links as one repeatable module: one oriented in the first direction and the next rotated ninety degrees. This avoids trying to force complex per-element rotation later.

For stylized chains, the repeat unit can be much more than two metal rings. Spikes, connectors, ropes, thorns and decorative shapes can all become repeatable chain-like modules as long as the endpoints and spacing are predictable.

Use a curve to separate shape from placement

The curve should describe where the chain goes; the link mesh should describe what the chain is. Keeping those responsibilities separate makes the system editable. Change the curve and the chain follows. Change the link and the path stays intact.

This is especially powerful for hanging props, armor, mechanical details and environment dressing because the same chain asset can be reused on completely different paths.

Spacing is more important than it looks

If repeated links overlap too much, the chain feels dense and noisy. If there is a gap, it stops reading as connected. The correct spacing depends on the actual link shape, not just its bounding-box length.

When scale changes, the repeat count often needs to change too. A robust setup recalculates the distribution instead of simply scaling an already-fitted array and creating gaps.

Fix twist before blaming the mesh

Chains often rotate unexpectedly on curves. This is usually an orientation problem rather than a bad chain model. Check curve tilt, twist method and handle type. On difficult paths, changing the curve's twist calculation can immediately solve rotations that would otherwise tempt you into manual corrections.

For sharp corners, Vector handles can be useful. For natural hanging or jewelry paths, smoother handles generally produce a cleaner result.

Closed loops need their own logic

Necklaces, bracelets and mechanical loops are easiest when the path itself is closed. The final link spacing should be recalculated around the complete circumference so the seam does not create an obvious gap.

This is one reason interactive tools are useful: Chain Generator's Close Curve workflow reconnects the drawn path and refits the repeated chain instead of leaving the user to repair the final connection manually.

When automation actually helps

A manual Array + Curve setup is a great technique to understand because it teaches the core logic. Once you build chains frequently, the repeated setup work becomes the bottleneck rather than the modeling itself.

Chain Generator packages that logic into a production workflow: generate from selected edges, draw in 3D space or directly on a surface, switch assets, adjust scale and tilt, close loops and continue editing without rebuilding the path.

Watch the original YouTube Short: Instant Chains in Blender 3D!