6 Best Alternatives to the Comgrow PETG Filament 1.75mm 3D Printer (2026)

How these PETG filaments compare

SUNLU 1kg Transparent PETG Filament 1.75mm

SUNLU offers a transparent option instead of the opaque brown found in the Comgrow spool. This finish allows you to see through functional prototypes or create light-diffusing parts. It shares the 1.75mm diameter and 1kg size, ensuring compatibility with your printer. The SUNLU filament maintains the durability needed for mechanical components. You get clear aesthetics without sacrificing structural integrity. Choose this alternative if you need visual clarity for your projects. The transparent finish highlights layer lines, which may be desirable for artistic displays. It remains a robust choice for users who prioritize both strength and visibility in their printed objects.

ELEGOO Rapid PETG 1.75mm Filament

ELEGOO Rapid PETG focuses on high-speed printing capabilities. This feature allows you to reduce print times significantly compared to standard filaments. The package includes two 1kg spools, offering more material than the single Comgrow spool. It delivers fast, high-quality prints suitable for functional parts. The black color provides a solid, opaque finish similar to the Comgrow brown. You gain efficiency and volume in one purchase. This option is ideal for makers who value speed and durability. The rapid printing technology ensures consistent results even at higher speeds. It is a practical choice for producing multiple parts quickly without compromising on strength or precision.

Polymaker High Speed Green PETG Filament

Polymaker High Speed PETG introduces a green color option and high-speed performance. This filament is designed for durable, high-speed prints with a clean look. It matches the 1.75mm diameter and 1kg size of the Comgrow product. The green finish offers a distinct aesthetic for your functional prototypes. You benefit from reduced print times while maintaining part strength. This alternative is ideal for users who need everyday models with a unique appearance. The high-speed capability ensures efficient production without sacrificing quality. It combines durability with a specific color choice. This option suits makers who want to print faster while achieving a professional, clean finish on their functional parts.

ELEGOO 1.75mm Black PETG Filament (1kg)

ELEGOO Black PETG provides a classic black finish instead of the Comgrow brown. It maintains the 1.75mm diameter and 1kg size for direct compatibility. This filament prioritizes dimensional accuracy and part durability. You get reliable performance for functional mechanical components that require high impact resistance. The black color offers a versatile, professional look for various projects. It is a solid choice for users who need consistent results. The filament ensures smooth feeding and precise dimensions. Choose this alternative if you prefer black parts for a sleek appearance. It delivers the robustness needed for mechanical applications while maintaining tight tolerances for accurate fits.

SUNLU High Speed PETG Filament 1.75mm 1kg

SUNLU High Speed PETG offers a yellow color and high-speed printing features. This option allows you to reduce print times while maintaining part strength. It shares the 1.75mm diameter and 1kg size with the Comgrow filament. The yellow finish provides a bright, visible aesthetic for your projects. You gain efficiency and a distinct color choice in one product. This alternative is practical for makers who prioritize speed and durability. The high-speed capability ensures fast production without sacrificing quality. It is ideal for functional parts that need to be produced quickly. Choose this option if you want to speed up your workflow while maintaining robust part integrity.

YOOPAI 1kg Transparent Tough PETG Filament

YOOPAI Transparent Tough PETG delivers precise +/- 0.02mm dimensional accuracy. This tolerance matches the Comgrow filament but in a transparent finish. The 1kg size ensures compatibility with your printer. This filament is designed for durable, transparent prints with sustainable spool usage. You get high precision and visual clarity for functional prototypes. The tough resin type ensures strong parts despite the transparent appearance. Choose this alternative if you prioritize dimensional accuracy and visibility. It is ideal for users who need precise fits and aesthetic appeal. The transparent finish highlights the layer structure while maintaining structural integrity. This option suits makers who value both precision and transparency in their printed objects.

Quick picks

Our 7 picks

1 Best overall

Comgrow Brown PETG 1.75mm 1kg

Best for: Durable mechanical parts and outdoor use

Material Type

PETG

Filament Diameter

1.75mm

Net Weight

1kg

Dimensional Accuracy

+/- 0.02mm

Printing Technology

FDM

Weight

1 pounds

View on Amazon: Comgrow Brown PETG 1.75mm 1kg Affiliate link

This Comgrow PETG filament offers a blend of durability and precision for your 3D printing projects. It features a 1.75mm diameter with a tight tolerance of +/- 0.02mm for consistent feeding. The material is vacuum-sealed to prevent moisture absorption, reducing clogging and bubbling. It combines the strength of ABS with the ease of PLA, making it suitable for mechanical parts. You get a 1kg spool of brown filament ready for use.

Pros

• Diameter tolerance of +/- 0.02mm ensures high precision
• Vacuum sealed to prevent moisture, clogging, and bubbles
• Combines durability of ABS with ease of PLA
• Suitable for mechanical parts, holders, and clamps

Cons

• Recommended print speed is low at 30mm/s
• Requires specific nozzle temperature of 235-240°C
• Only available in a single 1kg spool size

Good fit if

• You need durable parts for outdoor use
• You print mechanical components like clamps
• You prefer brown colored prints

Skip if

• You require high-speed printing capabilities
• You need larger 2kg spool options
• You prefer black or white filament colors

Verdict: Comgrow Brown PETG 1.75mm 1kg is a reliable choice for users printing durable mechanical parts who do not mind slower print speeds.

2 Also great

SUNLU 1kg Transparent PETG Filament 1.75mm

Best for: Clear, durable functional prints

Material Type

PETG

Filament Diameter

1.75mm

Net Weight

1kg

Max Print Speed

200mm/s

Dimensional Accuracy

±0.02mm

Finish

Transparent

View on Amazon: SUNLU 1kg Transparent PETG Filament 1.75mm Affiliate link

This SUNLU PETG filament offers a transparent finish for 1.75mm printers. It features a dimensional accuracy of +/-0.02 mm, ensuring wide compatibility with common machines. The material combines PLA ease with ABS strength, providing high impact resistance and robust durability. With a maximum print speed of 200mm/s and reduced stringing, it supports strong, smooth prints suitable for indoor or outdoor use.

Pros

• High impact strength for durable parts
• Dimensional accuracy of +/-0.02 mm
• Maximum print speed up to 200mm/s
• Transparent finish for visual projects

Cons

• Limited to 1kg spool size
• Only available in transparent color
• No included print settings guide

Good fit if

• You need transparent parts for visual inspection
• You want high impact resistance for functional items
• You require wide compatibility with standard printers

Skip if

• You require opaque colors for aesthetics
• You need bulk quantities larger than 1kg
• You prefer materials with lower print speeds

Verdict: SUNLU Transparent PETG 1.75mm 1kg fits users who need clear, durable parts with reliable dimensional accuracy for functional or visual prototypes.

3 Best premium

ELEGOO Rapid PETG 1.75mm Filament

Best for: High-speed printing and functional parts

Material Type

PETG

Filament Diameter

1.75mm

Net Weight

1 kg

Max Print Speed

600mm/s

Dimensional Accuracy

+/-0.02mm

Features

High Speed

View on Amazon: ELEGOO Rapid PETG 1.75mm Filament Affiliate link

This ELEGOO Rapid PETG bundle includes two 1kg spools of 1.75mm filament in black. It supports high-speed printing up to 600mm/s thanks to enhanced fluidity. The material offers good light transmittance and low shrinkage, making it suitable for light-diffusing parts. It combines the ease of PLA with the toughness of ABS. You get a neat, less-tangle winding for reliable feeding.

Pros

• Supports printing speeds up to 600mm/s
• Includes two 1kg spools for extended use
• Good light transmittance for diffusion projects
• Neatly wound to reduce tangles

Cons

• Only available in black color for this bundle
• Requires drying before reuse after unpacking
• Standard 1.75mm diameter limits large filament options

Good fit if

• You need high-speed printing capabilities
• You want a two-pack for longer projects
• You require odorless and durable parts

Skip if

• You need multi-color prints in one spool
• You prefer transparent or colored filaments
• You only need a single 1kg spool

Verdict: ELEGOO Rapid PETG 1.75mm 2-Pack delivers fast, high-quality prints for users who value speed and durability. It is ideal for makers who need reliable, odorless material for functional or light-diffusing parts.

4 Best 500mm/s

Polymaker High Speed Green PETG Filament

Best for: High-speed functional prints

Material Type

PETG

Filament Diameter

1.75mm

Net Weight

1kg

Max Print Speed

500mm/s

Features

High Speed

Color

Green

View on Amazon: Polymaker High Speed Green PETG Filament Affiliate link

This Polymaker filament is a 1.75mm PETG spool designed for high-speed printing up to 500mm/s. It combines the ease of PLA with the durability of ABS. The green material offers strong impact resistance and toughness for functional parts. You get a 1kg spool with a refined surface finish. It works with most standard and high-speed FDM printers.

Pros

• Supports printing speeds up to 500mm/s
• Combines PLA ease with ABS durability
• Strong impact resistance for functional parts
• Refined texture and smooth surface finish

Cons

• Only available in 1kg spool size in this listing
• Requires specific nozzle temperature range of 240–260°C
• Limited to 1.75mm diameter for most printers

Good fit if

• You need durable parts that resist cracking
• You want to print at higher speeds
• You prefer a refined surface appearance

Skip if

• You require 2.85mm filament compatibility
• You need bulk 4kg or 10kg spools
• You are printing with ABS-specific settings

Verdict: Polymaker High Speed PETG 1.75mm 1KG fits users who need durable, high-speed prints with a clean look. It is ideal for functional prototypes and everyday models.

5 Best budget

ELEGOO 1.75mm Black PETG Filament (1kg)

Best for: functional mechanical parts requiring durability

Material Type

PETG

Filament Diameter

1.75mm

Net Weight

1KG

Dimensional Accuracy

+/- 0.02mm

Printing Technology

FDM

Weight

2.2 pounds

View on Amazon: ELEGOO 1.75mm Black PETG Filament (1kg) Affiliate link

ELEGOO offers this 1.75mm PETG filament in a 1KG spool. It features a dimensional accuracy of +/- 0.02 mm for consistent feeding. The material provides high impact resistance and smooth layer adhesion. It is suitable for mechanical parts and holders. You will get a vacuum-sealed product that is dried before packing. This option works with most 1.75mm FDM 3D printers.

Pros

• Dimensional accuracy of +/- 0.02 mm
• High impact resistance for durable parts
• Vacuum sealed to prevent moisture damage
• Smooth printing with minimal warping

Cons

• Only available in 1KG spool size
• Limited color selection compared to competitors
• Requires drying after unpacking

Good fit if

• You need durable parts with high impact resistance
• You want consistent feeding with tight tolerance
• You print mechanical components like clamps

Skip if

• You require multi-color prints in one spool
• You need bulk quantities larger than 1KG
• You prefer pre-dried filament for immediate use

Verdict: ELEGOO PETG 1.75mm Black 1KG delivers reliable performance for users who prioritize dimensional accuracy and part durability. It is a solid choice for printing functional mechanical components that require high impact resistance.

6 Best matte

SUNLU High Speed PETG Filament 1.75mm 1kg

Best for: fast printing of durable functional parts

Material Type

PETG

Filament Diameter

1.75mm

Net Weight

1kg

Max Print Speed

600mm/s

Surface Finish

Matte

Printing Technology

FDM

View on Amazon: SUNLU High Speed PETG Filament 1.75mm 1kg Affiliate link

This 1kg spool of yellow PETG filament is designed for rapid printing. It supports speeds up to 600mm/s by adjusting nozzle temperatures between 230°C and 270°C. The material offers the durability of ABS with the ease of PLA. You get a consistent matte finish that reduces glossy sheen. It is suitable for users who need high impact strength and fast turnaround times for their 3D printed parts.

Pros

• Supports print speeds up to 600mm/s
• Provides a premium matte surface finish
• Combines PLA ease with ABS durability
• High impact strength for sturdy parts

Cons

• Requires specific temperature adjustments for high speeds
• Only available in 1.75mm diameter
• Matte finish may not suit glossy designs

Good fit if

• You need to print functional parts quickly
• You prefer a non-glossy final appearance
• You require durable, impact-resistant materials

Skip if

• You only use 2.85mm filament
• You need ultra-high gloss finishes
• You print exclusively at low speeds

Verdict: SUNLU High Speed PETG 1.75mm is a practical option for makers who prioritize speed and durability. It fits users who want to reduce print times without sacrificing part strength.

7 Best tough

YOOPAI 1kg Transparent Tough PETG Filament

Best for: durable transparent functional prints

Material Type

PETG

Filament Diameter

1.75mm

Net Weight

1kg

Dimensional Accuracy

+/- 0.02mm

Finish

Transparent

Resin Type

Tough

View on Amazon: YOOPAI 1kg Transparent Tough PETG Filament Affiliate link

This 1kg spool of SUNLU Clear PETG filament offers 1.75mm diameter with +/- 0.02mm dimensional accuracy. The transparent material provides high toughness and impact resistance without warping. It features a reusable spool design for reduced waste. You will get smooth feeding thanks to tangle-free winding. This option suits users who need reliable, odorless prints for durable models.

Pros

• Dimensional accuracy of +/- 0.02mm
• Reusable spool design reduces waste
• High elongation at break prevents cracking
• Tangle-free winding for smooth feeding

Cons

• Only available in 1kg spool sizes
• Requires drying before use for best results
• No included drying container or sensor

Good fit if

• You need high-impact resistance for functional parts
• You want to minimize spool waste through refills
• You print with transparent or clear materials

Skip if

• You require bulk 4kg spool options
• You prefer opaque colors for hiding layer lines
• You want a filament that needs no pre-drying

Verdict: SUNLU Clear PETG 1.75mm delivers precise +/- 0.02mm accuracy for users who prioritize durable, transparent prints and sustainable spool usage.

Specifications side by side

Frequently asked questions

See also

• best comgrow 3d printers
• unxuey 50pcs 3d printer heatsink alternatives