GratKit Silk Tri-Color PLA Filament Review: Specs, Pros and Cons

What stands out

• Coextruded tri-color strand with red, blue, and green shades
• Silk finish for a shiny, charming surface texture
• 1kg net weight on a 2.2-pound total package
• 24-hour drying process before sealed packaging
• Includes zipper bag and desiccant for moisture protection

Who it fits

GratKit Silk Tri-Color PLA Specs

Material: PLA

Polylactic acid is a biodegradable thermoplastic derived from renewable resources like corn starch. You get easy printing with low warping and minimal odor. This makes it ideal for beginners and indoor use. Compare this to ABS or PETG if you need higher heat resistance or durability for functional parts.

Diameter: 1.75mm

This is the standard filament width for most desktop 3D printers. You can load this directly into your extruder without adapters. Most consumer printers use this size. Check your printer manual if you have an older model that might require 2.85mm or 3mm filament instead.

Finish: Silk

The coextrusion process creates a shiny, metallic-like surface on your prints. You get a premium look without post-processing. This finish highlights details and curves better than matte PLA. Choose this if you want decorative items. Standard PLA offers a duller, more opaque appearance for functional prototypes.

Colors: Red, Blue, Green

Three distinct colors run through a single strand of filament. You see a tri-color change effect on printed objects. This adds visual interest without changing filaments mid-print. Compare this to single-color PLA for uniform parts. It suits artistic models more than technical components requiring specific color coding.

Weight: 1kg

The spool contains one kilogram of material. You can print numerous small to medium-sized objects before needing a refill. This is the standard retail size for hobbyists. Larger spools exist for industrial use. Check your printer’s spool holder capacity to ensure this 1kg weight fits securely without causing tangles.

Design and build overview

The listing specifies this product as Silk Tri-Color PLA. The material is PLA, which means you get easy printing with low warping. The finish is silk. This gives your prints a shiny, charming look. The filament combines three colors in one strand. You see a tri-color change effect on the final object. The specific variant uses Red, Blue, and Green shades. This layout creates a distinct visual pattern.

According to the listing, the spool weighs 1kg. The total package weight is 2.2 pounds. The filament diameter is 1.75mm. This is the standard size for most FDM printers. The spool itself is made of recyclable cardboard. This design choice supports environmental goals. You do not get plastic waste from the reel.

The listing notes a 24-hour drying process before sealing. The reel is sealed to keep moisture out. You receive a zipper bag for storage. This helps keep the filament dry after you open it. The listing also mentions an environmental glue on the reel. This feature helps the reel stand longer. These build choices suggest the product is ready for immediate use. You can load it directly into your printer. The packaging protects the material during shipping.

Setup and daily use guide

You load the 1kg spool onto your printer’s filament holder. The listing notes a weight of 2.2 pounds, which includes the spool and packaging. You feed the 1.75mm strand into your extruder. The filament features a silk coextrusion finish. This means three colors run through the single strand. You do not need to swap spools for multi-color prints. The printer extrudes the mixed colors automatically. This creates a tri-color change effect on your objects. The listing describes this as a magic tri-color effect. You get a shiny, charming look on the final print. Before printing, check the filament condition. The manufacturer states it undergoes a 24-hour drying process in a thermostatic room. It is sealed in an environmental glue reel to stand longer after unpacking. You should store the remaining filament in the included zipper bag. Add the desiccant bag to keep moisture out. This helps maintain the PLA properties. The reel is made of recyclable cardboard. You can recycle the packaging after use. The product is compatible with standard PLA printers. You do not need special hardware for the tri-color effect. The printer just needs to extrude the filament normally. You get consistent flow from the 1.75mm diameter. The silk finish reflects light differently than matte PLA. Your prints will have a distinct visual appeal. This setup requires no complex calibration for the color effect itself. You simply print as you would with standard PLA.

Before You Buy GratKit Silk Tri-Color

Owning this filament means preparing for specific storage needs. The listing highlights moisture resistance through a 24-hour drying process and environmental glue on the reel. You should still store the remaining filament in the included zipper bag with a desiccant to prevent humidity damage. This upkeep is critical for maintaining the silk finish and preventing print defects. Verify your printer handles 1.75mm PLA smoothly, as this material is standard but requires consistent extrusion for the tri-color effect to shine. The 1kg weight fits most standard spool holders, but ensure your printer’s build volume accommodates the 2.7-inch reel height if you store it vertically. This product sits alongside other PLA options in 1 tools, offering a decorative upgrade rather than a functional one. It suits projects where visual appeal matters more than durability. Check that your slicer settings support continuous extrusion to avoid color banding issues. This is not a structural material. Use it for display pieces, figurines, or artistic models where the red, blue, and green gradient provides the main value.

Check before you buy

• Confirm your printer accepts 1.75mm filament diameter.
• Ensure your spool holder fits the 2.7-inch reel height.
• Check if your printer has a sealed enclosure for humidity control.
• Verify your slicer supports continuous color extrusion settings.
• Have desiccant bags ready for the zipper storage bag.

The product at a glance

1

GratKit Silk Tri-Color PLA 1kg

Best for: Vibrant tri-color prints with a shiny silk finish

Material Type

PLA

Filament Diameter

1.75mm

Net Weight

1KG

Dimensional Accuracy

+/-0.03mm

Surface Finish

Silk

Printing Technology

FDM

View on Amazon: GratKit Silk Tri-Color PLA 1kg Affiliate link

This GratKit filament is a 1.75mm PLA strand featuring a silk finish and a tri-color effect that shifts between red, blue, and green. It comes in a 1kg spool weighing 2.2 pounds. The material undergoes a 24-hour drying process and includes moisture-resistant sealing with environmental glue. It is designed for users who want vibrant, multi-colored prints with a shiny aesthetic.

Pros

• Tri-color effect shifts between red, blue, and green in one strand
• Silk finish provides a shiny, charming surface on prints
• 24-hour drying process before sealed packing
• Includes zipper bag for dust-free storage

Cons

• Limited to one specific color combination of red, blue, and green
• Only available in 1kg spool size
• No mention of specific print temperature or speed settings

Good fit if

• You want vibrant, multi-colored prints without manual color changes
• You prefer a shiny, silk-like finish on your models
• You need moisture-resistant PLA for consistent printing

Skip if

• You require a wide range of color options beyond this specific tri-color mix
• You need large spools for high-volume production
• You prefer matte or non-shiny finishes

Verdict: GratKit Silk Tri-Color PLA 1kg delivers a unique tri-color effect with a shiny silk finish for distinctive prints. It suits hobbyists seeking vibrant, multi-colored results in a standard 1kg spool.

Specifications side by side

Frequently asked questions

See also

• gratkit silk tri color pla filament alternatives
• best 3d printers under 200
• the cotton silk cotton silk mulberry review
• pocketbook era color ereader review