# Sunlu PLA Filament Rainbow 03 - PLA 1.75 mm spool for FDM 3D printers, multicolor gradient

**URL:** https://aio.lv/en/product--sunlu-pla-r-03--12394573
**Data updated:** 2026-04-25 14:14 (EEST)
**Category:** 3D Printer Consumables
**Manufacturer:** Sunlu
**Manufacturer code:** PLA R 03
**EAN:** 6933582316624
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 21.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 17.76 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sunlu-pla-r-03--12394573

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Sunlu PLA Filament Rainbow 03 is a multicolor gradient PLA filament designed for FDM 3D printers. Supplied on a spool with 1.75 mm diameter, it produces layered prints with smooth color transitions ideal for decorative objects, prototypes and models. PLA is a biodegradable, easy-to-print material suited for hobbyists and educational use.

## Long description

Sunlu PLA Filament Rainbow 03 is a multicolor gradient PLA filament for FDM 3D printers supplied on a 1.75 mm spool. The material is formulated for easy, stable printing with low shrinkage and consistent diameter to reduce clogs and ensure reliable layer adhesion. The filament produces smooth color transitions approximately every 8 meters, making it suitable for decorative objects, prototypes and models where visual effect matters as well as for hobby and educational projects.
Advantages
The filament combines a striking multicolor gradient with dimensional accuracy of ±0.02 mm and stable material feed, which helps achieve consistent print quality and attractive surface finish. It is biodegradable PLA that prints without frequent jams or bubbles and is compatible with most FDM printers, offering an easy-to-use option for a wide range of users from beginners to experienced makers.
Suitable for
Decorative objects and home décor
Toys and colorful models for children
Visual prototypes and presentation models
Hobbyist and educational 3D printing projects
When it may not be suitable
This filament is optimized for appearance and ease of printing rather than high-temperature or mechanically demanding applications. It may not be the best choice for parts that must withstand high heat, chemical exposure or heavy mechanical loads.
Because colors change approximately every 8 meters, precise single-color prints or parts requiring uniform coloration across long runs may not be achievable with this filament.
Key specifications
Material: PLA (polylactic acid)
Diameter: 1.75 mm
Color type: Rainbow / multicolor gradient
Color transition interval: approximately every 8 m
Dimensional accuracy: ±0.02 mm
Compatibility: most FDM 3D printers
How to use
Load the 1.75 mm Sunlu PLA Rainbow filament into your FDM printer according to the printer manufacturer’s instructions. Print at typical PLA temperatures (start around 190–220 °C) and use a heated bed if available (40–60 °C) or a suitable adhesion surface. Adjust print speed and retraction settings to your machine and model to minimise stringing and achieve the desired surface quality. Monitor the first layers to ensure proper adhesion and correct any bed leveling or extrusion issues before continuing the print.
What to consider before purchase
Intended application — aesthetic multicolor effect vs. functional mechanical properties
Printer compatibility with 1.75 mm PLA and recommended print temperature range
Color transition interval (approx. every 8 m) and how it affects multi-part or large prints
Usage recommendations
For best visual results, design parts that benefit from gradual color changes or print multiple small objects in sequence to showcase the rainbow gradient; use common PLA settings and fine-tune retraction and cooling to reduce stringing and enhance surface finish.

## FAQ

### How much does the Sunlu PLA Filament Rainbow 03 - PLA 1.75 mm cost, and is it available for purchase?

The price is 21.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Sunlu products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Sunlu service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12394573/68509475_large.webp