Chain Lynks - Strong Modular Chain Fidget
Print Profile(3)
Description
Chain Lynks is a modular fidget system built around a clever two‑orientation connection: Loop Mode for creating a continuous ring or flexible chain, and Stack Mode for free‑pivoting motion inspired by classic snake toys. Each Lynk features redesigned pins that stay flush while providing controlled rotation and a satisfying tactile click‑resistance feel.
The default build includes 8 Lynks (4 in one color, 4 in another for AMS/non‑AMS color profiles). Both AMS and non‑AMS versions include extra Lynks plates so you can expand your build or mix colors easily.
If you want additional Lynks, you can print the extra Lynks plate included in each profile. AMS profiles include 2 extra Lynks + pins, while non‑AMS profile include 1 extra Lynk + pins so you can print it twice in different colors.
I’m considering creating a dedicated “extra Lynks only” profile as well — would that be helpful?
Also available in a compact version: Chain Lynks Nano.
Assembly Callout
“Snap each Lynk together firmly — the controlled rotation and click‑resistance are intentional for long‑term strength and satisfying motion.”
Note: The model is designed to be tight and snug at first for durability and precision. Over time, it loosens up naturally with use. If your pen doesn’t seat immediately, try rotating it 90° and try again — it’s reversible and designed for a perfect fit either way.
Designer Note
The redesigned pins were engineered to stop rotation cleanly in both directions while staying flush with the surface. This creates a more predictable, durable, and tactile feel whether you’re looping, stacking, or pivoting the chain.
Feature Highlights
- Two‑orientation connection: Loop Mode and Stack Mode
- Free‑pivoting stack motion inspired by classic snake toys
- Controlled‑rotation pins with tactile click‑resistance
- 8‑Lynk default build (4 + 4 in color profiles)
- Extra Lynks plates included in all profiles
- Modular, expandable, and color‑mix friendly
- AMS, Non‑AMS, and Single‑Color profiles included
- Strong, reliable tolerances with a clean snap‑fit
Print‑Profile Descriptions
AMS‑Friendly Profile
Designed for multi‑color AMS printing with clean transitions. Printed in PLA+; scaling is not recommended.
Non‑AMS Profile
Multi‑color version, manual swaps required, between plates. Includes a plate with 1 extra Lynk + pins (print twice for two colors). Printed in PLA+; scaling is not recommended.
Single‑Color Profile
Simple, fast single‑color print tuned for reliable tolerances. Includes a plate with 2 extra Lynks + pins. Printed in PLA+; scaling is not recommended.
Additional Models & Compatibility
If you prefer a smaller, more compact version of this fidget, check out Chain Lynks Nano, which offers the same motion in a 40% smaller footprint.
Explore a variety of styles in my model catalog, designed to fit many different fidgeting needs.
Boost Me (for free)
Your boost helps keep new Lynks in motion — thanks for supporting my work and helping me keep building new designs.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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