YOOPAI or eSUN? 3d Printing Filaments Compared in 2026
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You are comparing YOOPAI vs eSUN 3d printing filament options for different project needs. Both brands offer 1.75mm PLA material that fits most FDM printers. The main difference lies in the spool size and material grade. YOOPAI provides small 250g rainbow bundles for color variety. eSUN offers a standard 1KG PLA+ spool for strength and speed. Choose based on whether you prioritize color experimentation or functional durability.
Key differences
| Aspect | YOOPAI Rainbow PLA 250g Bundle | eSUN PLA+ 1.75mm 1KG Spool |
|---|---|---|
| Material Type | PLA | PLA+ |
| Spool Weight | 250g | 1KG |
| Dimensional Accuracy | ±0.02mm | ±0.03mm |
| Color Effect | Rainbow | Solid |
| Print Speed | not listed | High speed compatible |
Which one should you choose?
Choose YOOPAI Rainbow PLA 250g Bundle if
- You want to print small, colorful models like figurines or vases without using much material.
- You prefer testing multiple colors before committing to a large 1KG spool.
- You need a tighter diameter tolerance of ±0.02mm for consistent extrusion.
Choose eSUN PLA+ 1.75mm 1KG Spool if
- You require higher toughness and strength for functional parts or mechanical components.
- You use high-speed printers like Bambu Lab X1 or Creality K1 series.
- You want a standard 1KG spool with a total length of 340-350m for larger projects.
Verdict: YOOPAI suits you if you prioritize color variety and small batch testing with tight tolerances. eSUN is better for functional prints requiring PLA+ toughness and high-speed compatibility. Your choice depends on whether you value rainbow effects or structural durability.
YOOPAI vs eSUN Filament Specs
Material Grade
eSUN uses PLA+ filament, which is an enhanced version of standard PLA. It offers higher strength and better toughness, making it less prone to breaking. YOOPAI uses standard PLA. The YOOPAI filament is designed for creative projects and color variety rather than structural durability. If you need parts that withstand stress, eSUN provides a more robust material. YOOPAI is better for decorative items where flexibility is not the primary concern. The material choice depends on whether you prioritize strength or aesthetic experimentation.
Spool Size
eSUN comes in a full 1KG spool, providing 340-350 meters of filament. YOOPAI offers small 250g mini spools. The eSUN spool is ideal for large projects or long runs without frequent reloading. YOOPAI’s 250g bundles are practical for small prints, test prints, or accent parts. They allow you to explore many colors without committing to a large volume of a single shade. If you print frequently, the eSUN spool reduces downtime. If you switch colors often, YOOPAI’s smaller size prevents unused filament from sitting on the shelf.
Dimensional Accuracy
YOOPAI specifies a tighter dimensional accuracy of ±0.02mm. eSUN lists ±0.03mm. Both tolerances are within acceptable ranges for most FDM printers, ensuring consistent feeding and stable extrusion. The ±0.02mm rating on YOOPAI suggests potentially smoother layer adhesion and fewer snags. However, the ±0.03mm on eSUN is still precise enough for high-quality prints with low warping. For most users, the difference is negligible. Both brands claim reliable extrusion and reduced stringing. The tighter spec gives a slight edge to YOOPAI for precision-critical tasks.
Color Options
YOOPAI features a rainbow color effect with multiple compact spools. This allows for multi-color models and vibrant finishes on vases or figurines. eSUN offers solid colors like magenta, brown, and black. YOOPAI is superior for creative projects requiring color transitions or variety. eSUN is better for functional parts or projects requiring specific, consistent solid colors. YOOPAI helps you explore more colors without filling your shelf with full 1kg spools. eSUN provides a straightforward solid color option for professional or mechanical applications.
Printer Compatibility
Both filaments are 1.75mm and fit most FDM printers. eSUN explicitly lists compatibility with high-speed printers like Bambu Lab X1, P1P, A1, and Creality K1. YOOPAI mentions compatibility with standard FDM printers and notes that Bambu Lab AMS users may need a specific adapter for the 250g spools. eSUN is plug-and-play for modern high-speed systems. YOOPAI requires additional hardware for automated multi-color setups. For standard manual loading, both work equally well. For AMS integration, eSUN has the advantage.
Choose Your Filament Based on Needs
Small project and color variety seekers
The YOOPAI bundle offers multiple 250g mini spools, allowing you to explore various colors without storing large full 1kg spools. The rainbow effect helps multiple shades appear within compact models, making it ideal for vases, figurines, toys, and decor where every print features a different color progression.
Functional parts and high speed printers
eSUN PLA+ provides higher strength and better toughness than standard PLA, reducing breakage and warping. It supports high-speed printing on machines like Bambu Lab and Creality K1 series. The 1kg spool ensures consistent feeding with less stringing, making it suitable for machinery, electronic appliances, and durable functional items.
Standard reliable printing with consistent layers
YOOPAI maintains a tight dimensional accuracy of ±0.02mm, supporting stable flow and even layers from start to finish. This precision helps reduce snags and mid-print interruptions. The neat winding ensures smooth feeding, which is practical for test prints and small accent parts on most 1.75mm FDM printers.
The products compared
YOOPAI Rainbow PLA 250g Bundle
Best for: small multicolor decor and test prints
- Material Type
- PLA
- Filament Diameter
- 1.75mm
- Net Weight
- 250g
- Dimensional Accuracy
- ±0.02mm
- Color Printing
- Multi-Color
- Target Audience
- Beginners
View on Amazon: YOOPAI Rainbow PLA 250g Bundle Affiliate link
YOOPAI offers a rainbow PLA filament bundle with 250g mini spools. The 1.75mm diameter maintains ±0.02mm dimensional accuracy for consistent extrusion. These compact spools suit small prints, multicolor models, and test runs. The precision winding aids smooth feeding. You get varied colors without storing large 1kg spools. This setup helps reduce snags and mid-print interruptions for creative projects.
Pros
- 250g mini spools reduce waste for small projects
- ±0.02mm dimensional accuracy ensures stable flow
- Rainbow color effect allows varied prints
- Precision winding supports smooth feeding
Cons
- Requires adapters for Bambu Lab AMS systems
- Smaller 250g spools need more frequent reloading
- PLA material limits heat resistance for functional parts
Good fit if
- You print small, decorative, or multicolor models
- You want to test colors without buying large spools
- You use standard FDM printers with open spool holders
Skip if
- You need high heat resistance for functional parts
- You use Bambu Lab AMS without finding adapters
- You prefer large 1kg spools for long prints
Verdict: YOOPAI Rainbow PLA 250g Bundle is ideal for hobbyists printing small, colorful decor. It saves space and material for test prints. You get reliable extrusion for creative models.
eSUN PLA+ 1.75mm 1KG Spool
Best for: High-speed printing with precise dimensional accuracy
- Material Type
- PLA+
- Filament Diameter
- 1.75mm
- Net Weight
- 1 kg
- Dimensional Accuracy
- +/- 0.03mm
- Size
- 1KG
- Weight
- 2.2 pounds
View on Amazon: eSUN PLA+ 1.75mm 1KG Spool Affiliate link
This eSUN PLA+ filament offers 1.75mm diameter with a tight dimensional accuracy of +/- 0.03mm. It comes on a full 1KG spool and is designed for high-speed printing on modern machines like Bambu Lab and Creality models. The material provides higher strength and better toughness than standard PLA, with low shrinkage and minimal stringing. It feeds smoothly without clogging, making it suitable for functional parts and detailed prints.
Pros
- Dimensional accuracy of +/- 0.03mm ensures consistent feeding
- 1KG spool provides 340-350m of total filament length
- Enhanced PLA+ offers higher strength and better toughness
- Compatible with high-speed printers like Bambu Lab and Creality
Cons
- Only available in 1KG or 2KG spool sizes
- Limited color selection compared to rainbow bundles
- No mention of included moisture-proof packaging
Good fit if
- You need precise dimensional accuracy for functional parts
- You use high-speed FDM printers like Bambu Lab
- You prefer PLA+ for better toughness than standard PLA
Skip if
- You want a rainbow multi-color filament bundle
- You require 2.85mm diameter filament
- You need large 5KG spools for high volume
Verdict: eSUN PLA+ 1.75mm 1KG Spool is a reliable choice for users prioritizing dimensional accuracy and high-speed compatibility. It fits those printing functional parts with modern FDM printers who need consistent feed performance.
Specifications side by side
| Spec | YOOPAI Rainbow PLA 250g Bundle | eSUN PLA+ 1.75mm 1KG Spool |
|---|---|---|
| Material Type | PLA | PLA+ |
| Filament Diameter | 1.75mm | 1.75mm |
| Net Weight | 250g | 1 kg |
| Dimensional Accuracy | ±0.02mm | +/- 0.03mm |
| Color Printing | Multi-Color | not stated |
| Compatible Material | PLA | PLA |
| Target Audience | Beginners | not stated |
| Size | 3d filament | 1KG |
| Color Effect | Rainbow | not stated |
| Weight | 2.6 pounds | 2.2 pounds |
| Color | Pla Bundle-250gx4-2230028 | Magenta |
| Model | 2230028 | PLA+175M1KG |
Frequently asked questions
Which filament is better for printing functional parts?
eSUN PLA+ is the better choice for functional components. Its PLA+ grade offers higher strength and toughness than standard PLA, making it less prone to breaking under stress. The dimensional accuracy of plus or minus 0.03mm ensures precise fits for mechanical assemblies. YOOPAI standard PLA is designed for creative models rather than durability.
Can I print high-speed projects with these filaments?
Yes, eSUN PLA+ is optimized for high-speed printing. It provides consistent feed performance for modern FDM printers running at faster rates. YOOPAI Rainbow PLA focuses on reliable extrusion for small, colorful decor rather than speed. You should select eSUN if your workflow prioritizes rapid production of precise parts.
Is the YOOPAI filament suitable for large single-color prints?
The YOOPAI bundle is not ideal for large single-color projects. It comes in 250g mini spools, totaling 1kg across four colors. This format saves space but requires frequent spool changes for big models. The rainbow effect creates multi-colored results, which may not suit projects requiring uniform solid colors.
What is the difference between PLA and PLA+ filament?
PLA+ is an enhanced version of standard PLA with improved mechanical properties. It offers greater toughness and resistance to breaking compared to regular PLA. Standard PLA, like the YOOPAI option, is suitable for general use but lacks the extra strength of PLA+. Choose PLA+ for parts that need to withstand physical stress.
Does eSUN PLA+ work with most 3D printers?
Yes, eSUN PLA+ uses 1.75mm diameter, which fits most FDM printers. It is designed for consistent feed performance across various modern machines. The 1KG spool size is standard for desktop and prosumer printers. You can use it for functional parts without compatibility concerns for standard extruder systems.
How does the YOOPAI rainbow effect work?
The rainbow effect creates multiple shades within a single printed model. It allows you to explore various colors without storing large full spools. Each 250g mini spool contributes to a colorful, multi-tonal appearance. This is ideal for small decor items or test prints where visual variety is desired over uniformity.