Kunai Flexi Fidget - Print in Place

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Unique Design & Smooth Spin (You have to try it to believe it).

This project is a fresh take on the classic kunai, redesigned with a fully flexible structure that gives it a completely different feel compared to traditional rigid models.

 The flexible body adds a unique dynamic behavior: it slightly adapts during rotation, creating a smoother, more satisfying spin and a pleasant tactile feedback.

This makes it not only fun to play with, but also particularly effective as a stress-relief tool.

One of the key improvements is the addition of a final spinning ring, specifically engineered to enhance spinning stability and balance.

This results in longer spin times and a more controlled, enjoyable experience.

The ring also improves usability across different hand sizes: it allows a smooth and comfortable rotation for users with larger fingers, while for smaller fingers it still enables rotation because the ring does not spin independently, but instead follows and supports the spinner’s motion.

Key Features:

• Fully flexible structure for a unique spinning behavior

• Kunai-inspired design with a modern twist

• Integrated end ring for improved balance and spin performance

• Perfect as a stress-relief toy or simply for fun
   

Variants:

Two versions are available:

• Multi-color version (recommended) - Designed for a more eye-catching look and enhanced visual appeal. Requires an AMS system.

• Single-color version - Simpler and faster to print, with the same functionality. No AMS required, making it perfect for quick prints.

Both versions offer the same satisfying spinning experience - choose the one that best fits your setup and style.

  Print Tips:

For best results, follow these recommendations:

• Clean the build plate thoroughly before printing

• Avoid touching the build surface with your fingers, as grease can compromise first layer adhesion

• Layer height: 0.2 mm

• Infill: 15% Gyroid

• Wall generator: Arachne

These settings will ensure optimal flexibility, smooth movement, and a successful print right out of the plate.

 
Whether you're looking for something relaxing to keep your hands busy or just a cool and unusual spinner, this flexible kunai is designed to stand out.

 I’d love to hear your feedback - let me know what you think! 

Check out more of my fidget toys on MakerWorld - you might love them too!

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