Looking Beyond the GratKit Silk Tri-Color PLA Filament? 6 Alternatives Worth a Look

How alternatives compare to GratKit

OVERTURE 1kg Silk Gold PLA Filament

The OVERTURE Silk Gold PLA Filament focuses on a single, consistent metallic color rather than the GratKit's tri-color mixing. You get a uniform shiny gold finish instead of shifting hues. This option is ideal if you want predictable, luxurious aesthetics without the complexity of multi-color extrusion. It shares the 1kg spool size and PLA material, ensuring compatibility with your printer. However, it lacks the automatic color-changing feature that defines the GratKit product. Choose this alternative when you prioritize surface consistency and metallic depth over dynamic color variations. It is a straightforward choice for detailed models where a single, high-quality finish is more important than multi-color effects.

SUNLU Silk PLA Filament 1.75mm (1kg)

The SUNLU Silk PLA Filament emphasizes dimensional accuracy and a smooth surface finish. It offers a +/- 0.02mm tolerance, which is a specific technical advantage over the GratKit listing that does not cite this precision. This filament provides a consistent glossy black finish, contrasting with the GratKit's multi-color approach. You get reliable layer deposition and a polished look suitable for functional or decorative parts. It is a 1kg spool of PLA, matching the GratKit's capacity. However, it sacrifices the tri-color effect entirely. Select this alternative if you need tight tolerances and a uniform, high-gloss appearance. It is best for users who value mechanical precision and visual smoothness over color variety.

YOOPAI 1.75mm Silk PLA+ 250g Spool Bundle

The YOOPAI Silk PLA+ 250g Spool Bundle offers a different scale and material type. It uses PLA+ instead of standard PLA, which often implies improved durability and flexibility. The 250g size is significantly smaller than the GratKit's 1kg spool, making it suitable for testing or small accent prints. This bundle allows you to try multiple colors without committing to a full spool. You gain versatility in color options and reduced waste for experimental prints. However, you lose the volume and continuous print capability of the 1kg GratKit option. Choose this alternative if you are prototyping or need small, durable, shiny parts. It is practical for makers who want to minimize material waste while exploring different silk finishes.

YOOPAI Silk PLA+ 4 x 250g Bundle

The YOOPAI Silk PLA+ 4 x 250g Bundle provides multi-color options in a durable PLA+ material. Like the GratKit, it supports multi-color printing, but through separate spools rather than a single co-extruded strand. You get four distinct color combinations, offering flexibility in design. The PLA+ material suggests better impact resistance and layer adhesion compared to standard PLA. The total weight is 1kg, matching the GratKit's volume. However, you must manage multiple spools manually instead of enjoying automatic color changes. This alternative is best for users who want durable, shiny prints with custom color palettes. It suits makers who prioritize material strength and color variety over the convenience of a single, pre-mixed filament strand.

ELEGOO 1.75mm Silk PLA Filament

The ELEGOO 1.75mm Silk PLA Filament delivers a striking metallic shine in a single color, specifically Silk Gold. It focuses on visual appeal and precise layer deposition rather than multi-color effects. This option provides a consistent, high-quality finish that stands out for decorative projects. It is a 1kg spool of PLA, matching the GratKit's capacity and diameter. However, it lacks the tri-color capability entirely. You get a premium, uniform metallic look instead of dynamic color shifts. Choose this alternative if you want a reliable, glossy single-color print with strong visual impact. It is ideal for users who value aesthetic precision and consistent surface quality over complex color mixing features.

Flashforge Silk PLA 1.75mm 1kg Spool

The Flashforge Silk PLA 1.75mm 1kg Spool offers a premium metallic bronze finish with a focus on dimensional precision. It cites a +/- 0.02mm tolerance, providing a technical advantage in accuracy over the GratKit listing. This filament ensures consistent prints with a glossy, metallic aesthetic. It is a 1kg spool of PLA, matching the GratKit's volume and diameter. However, it is a single-color option, lacking the tri-color effect. You get superior precision and a unique bronze metallic look. Select this alternative if you need tight tolerances and a high-end metallic finish for detailed models. It is best for hobbyists who prioritize dimensional accuracy and a sophisticated, uniform aesthetic over multi-color versatility.

Quick picks

Our 7 picks

1 Best overall

GratKit Silk Tri-Color PLA 1kg

Best for: automatic tri-color silk prints

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

GratKit offers a 1kg spool of 1.75mm PLA filament with a unique tri-color silk finish. The Red, Blue, and Green strands coextrude to create a shifting color effect on prints. It arrives dried for 24 hours and includes a resealable bag for moisture control. This option suits makers seeking vibrant, multi-hued results without manual color changes.

Pros

• Tri-color silk finish combines red, blue, and green in one strand
• 1kg spool weight of 2.2 pounds for standard printer compatibility
• Includes resealable zipper bag for dust-free storage
• Pre-dried for 24 hours to reduce print defects

Cons

• Limited to specific tri-color combinations like Red/Blue/Green
• No app or remote connectivity for filament management
• Heavier 2.2 lb spool compared to standard 1kg empty spools

Good fit if

• You want automatic color shifting in your prints
• You prefer pre-dried filament for reliable layer adhesion
• You need a 1kg spool for standard 1.75mm printers

Skip if

• You require single-color matte or glossy finishes
• You need rainbow gradient effects across the entire spool
• You prefer lightweight spools for portable setups

Verdict: GratKit Silk Tri-Color PLA 1kg delivers a distinct tri-color silk effect for vibrant prints. It fits users who want automatic color changes without manual spool swaps.

2 Also great

OVERTURE 1kg Silk Gold PLA Filament

Best for: Single-color shiny gold prints

Material Type

PLA

Filament Diameter

1.75mm

Net Weight

1kg

Dimensional Accuracy

+/- 0.02mm

Surface Finish

Silk

Dimensions

8.78 × 2.95 × 8.23 inches

View on Amazon: OVERTURE 1kg Silk Gold PLA Filament Affiliate link

This OVERTURE Silk PLA filament offers a metallic gold finish for 3D prints. It comes in a 1kg spool with a 1.75mm diameter. The manufacturer claims a tight dimensional accuracy of +/- 0.02mm. It uses a clog-free formula and undergoes a 24-hour drying process. You get a lifetime satisfaction guarantee. This spool suits users seeking a shiny, professional look for their models.

Pros

• 1.75mm diameter with +/- 0.02mm accuracy
• 1kg spool size
• Silk metallic gold finish
• Patented clog-free formula

Cons

• Single color option only
• No multicolor capability
• Limited to PLA material type

Good fit if

• You want a shiny gold finish
• You need a standard 1kg spool
• You prioritize dimensional accuracy

Skip if

• You need multicolor printing
• You prefer flexible filaments
• You require industrial-grade materials

Verdict: OVERTURE Silk PLA 1.75mm Gold provides a consistent, shiny surface for detailed models. It fits users who want a single, luxurious color with reliable print quality.

3 Also great

SUNLU Silk PLA Filament 1.75mm (1kg)

Best for: Glossy single-color prints

Material Type

PLA

Filament Diameter

1.75mm

Net Weight

1KG

Dimensional Accuracy

+/- 0.02mm

Surface Finish

Silk

Weight

2.2 pounds

View on Amazon: SUNLU Silk PLA Filament 1.75mm (1kg) Affiliate link

This SUNLU Silk PLA filament features a smooth, glossy surface that requires no post-processing. It maintains a tight dimensional accuracy of +/- 0.02mm for consistent feeding. The 1kg spool comes in single, dual, or triple color options. You get a neat, vacuum-sealed spool with low warping. It is ideal for prints needing a shiny, polished look without extra work.

Pros

• Smooth, shiny silk surface finish
• Tight +/- 0.02mm dimensional accuracy
• Low warping and shrinkage
• Vacuum sealed with desiccant

Cons

• Single color spool limits color variety
• Requires specific temperature settings
• No automatic flow calibration

Good fit if

• You want a glossy, polished look
• You need consistent layer adhesion
• You prefer vacuum sealed packaging

Skip if

• You require multi-color printing in one layer
• You need automatic flow calibration
• You prefer matte finishes

Verdict: SUNLU Silk PLA 1.75mm 1KG delivers a consistent, shiny finish for users who value surface quality. It suits makers who prioritize smooth, polished results over complex color mixing.

4 Best premium

YOOPAI 1.75mm Silk PLA+ 250g Spool Bundle

Best for: small multicolor prints and testing

Material Type

PLA+

Filament Diameter

1.75mm

Net Weight

250g

Dimensional Accuracy

±0.02mm

Surface Finish

Silk

Color Printing

Multi-Color

View on Amazon: YOOPAI 1.75mm Silk PLA+ 250g Spool Bundle Affiliate link

This YOOPai filament offers a silk PLA+ build with a consistent 1.75mm diameter and ±0.02mm accuracy. You get compact 250g spools that fit standard FDM printers with 53mm center holes. The precision winding supports smooth feeding and reduces snags. It is ideal for small projects, multicolor models, or test prints where you want to avoid wasting large 1kg spools. The glossy finish highlights decorative details without extra finishing.

Pros

• PLA+ material for enhanced durability
• Silk finish with glossy metallic look
• ±0.02mm dimensional accuracy
• Compact 250g spool size
• Precision wound for reliable feeding

Cons

• Small 250g spool capacity
• Requires adapter for Bambu Lab AMS
• No vacuum-sealed packaging mentioned

Good fit if

• You need small amounts of multiple colors
• You print decorative items that catch light
• You want to avoid wasting full spools

Skip if

• You require large single-color batches
• You use Bambu Lab AMS without an adapter
• You need vacuum-sealed storage

Verdict: YOOPai Silk PLA+ 1.75mm 250g Bundle is a practical option for users who prioritize color variety and small print runs. It suits makers who want to minimize waste on test prints or accent parts.

5 Also great

YOOPAI Silk PLA+ 4 x 250g Bundle

Best for: multi-color durable silk prints

Material Type

PLA+

Filament Diameter

1.75mm

Net Weight

250gx4

Dimensional Accuracy

±0.02mm

Surface Finish

Silk

Color Printing

Multi-Color

View on Amazon: YOOPAI Silk PLA+ 4 x 250g Bundle Affiliate link

This SUNLU Silk PLA+ bundle offers 1KG of multi-color filament across four 250g spools. It features a silky, glossy finish and enhanced durability compared to standard PLA. The 1.75mm diameter maintains a tight ±0.02mm tolerance for consistent feeding. You get dynamic color shifts and vivid shine without extra finishing. This set suits makers who want durable, shiny prints with varied color options in smaller, manageable spools.

Pros

• PLA+ material for improved impact resistance and flexibility
• Silky, glossy surface finish requires no sanding
• ±0.02mm dimensional accuracy for stable printing
• Includes four 250g spools for multi-color projects

Cons

• Smaller 250g spools require more frequent reloading
• Total weight is 2.6 pounds, heavier than single spools
• Limited to 1.75mm diameter option

Good fit if

• You want durable PLA+ with a shiny silk finish
• You need multi-color effects without mixing full spools
• You prefer smaller spools for specific color combinations

Skip if

• You need large 1KG single-color spools
• You require standard PLA rather than PLA+
• You want to minimize spool changes during long prints

Verdict: SUNLU Silk PLA+ 1KG Multi-Color Bundle delivers durable, shiny prints with flexible color options. It fits makers who value impact resistance and visual appeal in manageable, multi-color segments.

6 Best budget

ELEGOO 1.75mm Silk PLA Filament

Best for: Glossy, single-color metallic prints

Material Type

PLA

Filament Diameter

1.75mm

Net Weight

1KG

Dimensional Accuracy

+/- 0.02 mm

Surface Finish

Silk

Printing Technology

FDM

View on Amazon: ELEGOO 1.75mm Silk PLA Filament Affiliate link

ELEGOO Silk PLA delivers a glossy, metallic finish for your prints. It maintains a tight dimensional accuracy of +/- 0.02 mm for consistent extrusion. The 1 KG spool features a large inner diameter for smooth feeding. This filament is vacuum sealed to prevent moisture damage. It suits users who want a shiny, professional look without complex setup.

Pros

• Silk surface finish for a glossy, metallic look
• Dimensional accuracy of +/- 0.02 mm
• 1 KG net weight per spool
• Vacuum sealed for moisture protection

Cons

• Single color options only, no tri-color blends
• Standard PLA material, not PLA+
• Limited to 1.75 mm diameter

Good fit if

• You want a shiny, metallic aesthetic for your models
• You need reliable dimensional accuracy for precise parts
• You print with standard 1.75 mm FDM printers

Skip if

• You require multi-color gradient effects in one spool
• You need higher impact resistance than standard PLA offers
• You prefer a matte or textured surface finish

Verdict: ELEGOO Silk PLA 1.75mm 1KG offers consistent quality and a striking metallic shine. It is a solid choice for makers who prioritize visual appeal and precise layer deposition over multi-color capabilities.

7

Flashforge Silk PLA 1.75mm 1kg Spool

Best for: Metallic silk finish and precision

Material Type

Silk PLA

Filament Diameter

1.75mm

Net Weight

1 kg

Dimensional Accuracy

+/- 0.02mm

Surface Finish

Silk

Weight

2.2 pounds

View on Amazon: Flashforge Silk PLA 1.75mm 1kg Spool Affiliate link

This Flashforge Silk PLA filament offers a glossy, metallic finish in colors like Bronze and Gold. It maintains a tight dimensional accuracy of +/- 0.02mm, ensuring consistent extrusion. The material is dried for 24 hours and vacuum-sealed to prevent moisture issues. You get 1kg of 1.75mm filament per spool. It is suitable for users who want a premium, shiny look for decorative prints without frequent nozzle clogs.

Pros

• Tight dimensional accuracy of +/- 0.02mm
• Silky smooth and glossy surface finish
• 24-hour drying and vacuum sealing
• Strong interlayer adhesion

Cons

• Limited to 1.75mm diameter
• Only 1kg spool weight
• No multi-color tri-pack option

Good fit if

• You want a metallic silk finish
• You prioritize tight diameter tolerance
• You print decorative items

Skip if

• You need multi-color tri-spools
• You prefer larger 2kg spools
• You require matte finishes

Verdict: Flashforge Silk PLA 1.75mm 1kg delivers consistent prints with a premium metallic shine. It is a solid choice for hobbyists who value dimensional precision and a glossy aesthetic for their decorative projects.

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Frequently asked questions

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