Sunlu Silk Rainbow PLA Filament 1.75mm 1KG – Stunning Color-Shifting Silk Finish
Sunlu Silk Rainbow PLA is a gorgeous multicolor silk filament that produces stunning color-shifting prints with a beautiful shiny silk-like finish. The rainbow effect transitions smoothly through multiple colors throughout your print, creating unique, eye-catching results every time. Easy to print with standard PLA settings.
Perfect for decorative items, artistic prints, vases, sculptures, and any project where visual impact matters. The final coloring varies based on object size, infill settings, and print dimensions.
Sunlu Silk Rainbow PLA Key Features
- Silk Rainbow Effect – Beautiful color transitions throughout prints
- Shiny Silk Finish – Lustrous, eye-catching surface
- Easy to Print – Standard PLA printing parameters
- Unique Results – Each print is one-of-a-kind
- ±0.02mm Tolerance – Precise diameter consistency
- Low Warping – PLA base for easy printing
Sunlu Silk Rainbow Printing Parameters
| Parameter | Recommended Value | Notes |
|---|---|---|
| Nozzle Temperature | 190-220°C | Standard PLA range |
| Bed Temperature | 50-60°C | Standard PLA bed temp |
| Print Speed | 40-60mm/s | For best silk finish |
| Enclosure | Not required | Open printer compatible |
| Cooling Fan | 80-100% | Good cooling for overhangs |
How Rainbow Color Effect Works
| Factor | Effect on Color |
|---|---|
| Object Size | Larger objects show more color transitions |
| Infill Percentage | Higher infill uses more filament, more color changes |
| Print Height | Taller prints show more rainbow effect |
| Color Randomness | Colors randomly delivered; each spool unique |
Silk Rainbow Applications
- Decorative Items – Vases, bowls, figurines
- Artistic Prints – Sculptures and art pieces
- Gift Items – Unique handmade presents
- Display Models – Eye-catching show pieces
- Home Decor – Planters, lamp shades, ornaments
- Toys – Colorful, playful items
Silk Rainbow Printing Tips
- Moderate Speed – Slower speeds enhance the silk shine effect.
- Good Cooling – Helps maintain silk surface quality.
- Larger Prints – Show off more color transitions.
- Spiral Vase Mode – Great for showcasing rainbow effect on vases.
- Each Spool Unique – Colors randomly delivered for one-of-a-kind results.
Sunlu Silk Rainbow PLA Specifications
| Brand | Sunlu |
| Material | PLA Silk Rainbow |
| Diameter | 1.75mm ± 0.02mm |
| Net Weight | 1kg per spool |
| Surface Finish | Shiny silk/lustrous |
| Color Effect | Rainbow multicolor transition |
| Print Temperature | 190-220°C |
Official Sunlu Documentation
| Download documentation for Sunlu Silk Rainbow PLA: |
Sunlu Silk Rainbow FAQ
Q: Are the rainbow colors random?
A: Yes, the silk colors are randomly delivered. Both variants are gorgeous, and the coloring of prints varies based on object size, infill, and total filament used.
Q: How do I get more color transitions?
A: Print larger objects or use higher infill percentages. Taller prints and more filament usage will show more rainbow color changes.
Q: Is it hard to print?
A: No, Silk Rainbow PLA prints with standard PLA settings. Just use slightly slower speeds for the best silk finish effect.
Q: Will my prints have the same colors as photos?
A: Each spool has randomly assigned color sequences, so your prints will be unique. The overall rainbow effect is consistent, but exact color placement varies.
Q: Can I use this for functional parts?
A: While beautiful for decorative items, PLA silk has standard PLA strength. For functional parts requiring more strength, consider PLA+ or PETG instead.
Related Products
Looking for other silk or decorative filaments? Explore our collections:
- Silk Filaments – More silk options
- Rainbow Filaments – Multicolor options
- Sunlu Filaments – Browse full range
- Decorative Filaments – Special effect materials














seriouslyadditivemanufacturing –
Good product quality and value for money. Good packaging and fast delivery.