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Fiber Optic Cable & Star Density

Learn how to choose fiber diameter, star density and fiber length for a realistic star ceiling, including 0.5mm, 0.75mm and mixed-diameter PMMA optical fibers.

FAQ Category 04

Fiber Optic Cable & Star Density

Understand fiber diameter, mixed fiber sizes, star density and fiber length for realistic star ceiling designs.

1. What fiber diameter should I use for a star ceiling?

Smaller-diameter fibers create smaller and more subtle star points, while larger fibers produce brighter and more visible stars.

Mixing several fiber diameters is often recommended when a more natural night-sky appearance is desired.

2. What is the difference between 0.5mm and 0.75mm fiber?

0.5mm fiber generally creates smaller and softer star points, while 0.75mm fiber creates brighter and more prominent stars. Combining both sizes can add visual depth to the ceiling.

3. Can different fiber diameters be mixed?

Yes. Mixed-diameter fiber bundles are commonly used in professional star ceiling projects because they produce different apparent brightness levels and a more realistic star field.

4. How many stars should I install per square meter?

There is no single correct star density. The ideal number depends on whether the project requires a subtle natural sky, a dense decorative field or a dramatic entertainment effect.

FANXSTAR can recommend star density based on ceiling dimensions and the desired visual result.

5. Can fiber optic cable be cut to length?

Fiber length should first be planned according to the distance between the light engine and the required star positions. Fibers can be trimmed during installation where the specific product configuration allows it.

Avoid cutting fibers too short before the final installation position has been confirmed.


HI-TECH Industry Park, Yanluo, Songgang, Bao'an District, Shenzhen, 518105, China

WhatsApp: 0086 17875163657            Business telephone: +86 17875163657            Contacts: Hairo Yu

FANXSTAR TECHNOLOGY CO., LIMITED

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