As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

6 Best Alternatives to the Longer LK5 Pro Large FDM (2026)

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

You are looking for longer lk5 pro large fdm alternatives to find a machine that fits your specific needs. The original Longer LK5 Pro offers a large 300x300x400mm build volume and open-source flexibility. It also includes a 4.3-inch color touch screen and silent TMC2208 drivers for quieter operation. These features make it a strong choice for beginners who want a pre-assembled large-format printer. However, you might need different specifications for your workspace or projects. Some users prefer a smaller footprint for limited desk space. Others may want a dual Z-axis for increased stability or faster print speeds. The alternatives on this list were chosen because their specs overlap with the original. They share the FDM printing technology and target audience. This ensures you can compare practical differences like build volume, dimensions, and additional features without changing your core requirements. The list includes options ranging from compact units to premium large-format models. You can select the printer that best matches your desired print size and operational preferences.

Our top pick: Longer LK5 Pro Large FDM Printer.

How the alternatives compare

Longer LK5 Pro Large 3D Printer

This model shares the same core FDM technology and open-source firmware as the original, but its physical dimensions differ slightly. The build volume remains large, yet the external footprint is listed at 11.8x11.8x15.7 inches with a weight of 28.7 pounds. You get the same resume printing feature and silent TMC2208 drivers. The primary difference is the specific chassis configuration, which may appeal to those who prefer this exact weight distribution. It remains a solid choice for beginners needing a pre-assembled machine with a spacious print area and quiet operation.

Longer LK5 Pro Large Open-Source 3D Printer

This variant is marketed as the premium option with a distinct external size of 20x15x20 inches. It retains the large build volume and open-source nature of the original LK5 Pro. You still benefit from resume printing and silent drivers. The key difference is the physical scale and potentially upgraded internal components implied by the premium badge. It suits users who want the same quiet, open-source experience but need a different footprint or perceive higher build quality. It is ideal for home use where noise levels and print size are priorities over app-based connectivity.

Longer LK5 Pro Large-Format 3D Printer

Positioned as the budget-friendly option, this model uses the LK5 Pro-B1 designation. It offers the same FDM printing technology and open-source flexibility. The build volume is comparable, but the external dimensions are listed as 15.7x11.8x11.8 inches. You get resume printing and the same silent driver technology. The main difference is the price point and potentially simplified features to hit a lower cost. It is best for DIYers and beginners who prioritize large-format printing and speed without needing advanced connectivity. It delivers core performance at a more accessible entry point.

Bambu Lab A1 FDM 3D Printer

The Bambu Lab A1 is a compact FDM printer designed for beginners and kids. It differs significantly in size, with external dimensions of 20.8x12.9x21.8 inches and a lighter weight of 22 pounds. It lacks the large 300x300x400mm build volume of the original LK5 Pro. Instead, it focuses on ease of use and speed in a smaller package. You give up the open-source customization and large print area. This machine is ideal for users with limited desk space who prioritize quiet operation and simple setup over the ability to print large objects or modify firmware.

Portable Compact FDM 3D Printer

This portable compact FDM printer is designed for small, flexible TPU prints. It is drastically smaller than the original, with dimensions of 6.1x8.3x6.8 inches and a weight of just 2.2 pounds. It supports PLA and TPU materials with a 0.4mm nozzle. You lose the large build volume and open-source features of the LK5 Pro. This machine is for users with very limited desk space who need to print small, flexible items. It prioritizes simplicity and portability over the high-speed, large-format capabilities of the original. It is a niche choice for specific material needs rather than general large-scale printing.

Longer LK5 Pro Dual Z-Axis 3D Printer

This version features a dual Z-axis upgrade, enhancing stability for large prints. It shares the same FDM technology and open-source firmware as the original. The external dimensions are 11.8x15.8x11.8 inches with a weight of 26.5 pounds. You gain improved structural rigidity for high-speed printing without losing the resume printing feature. The main difference is the dual Z-axis mechanism, which reduces wobble on large prints. It is best for users who prioritize large print sizes and speed while willing to handle manual setup. It offers a more robust mechanical solution for high-volume output compared to the standard single-axis design.

Quick picks

#ProductBest forPrice
1 Longer LK5 Pro Large FDM Printer Best overall Large format prints and open-source customization Check price of Longer LK5 Pro Large FDM Printer on Amazon
2 Longer LK5 Pro Large 3D Printer Also great Large prints and silent operation Check price of Longer LK5 Pro Large 3D Printer on Amazon
3 Longer LK5 Pro Large Open-Source 3D Printer Best premium large prints and quiet home use Check price of Longer LK5 Pro Large Open-Source 3D Printer on Amazon
4 Longer LK5 Pro Large-Format 3D Printer Also great Large FDM projects and fast printing Check price of Longer LK5 Pro Large-Format 3D Printer on Amazon
5 Bambu Lab A1 FDM 3D Printer Best kids Beginners needing a compact, quiet FDM printer Check price of Bambu Lab A1 FDM 3D Printer on Amazon
6 Portable Compact FDM 3D Printer Best budget Small flexible TPU prints for beginners Check price of Portable Compact FDM 3D Printer on Amazon
7 Longer LK5 Pro Dual Z-Axis 3D Printer Also great Large format printing with high speed Check price of Longer LK5 Pro Dual Z-Axis 3D Printer on Amazon

Our 7 picks

Best overall

Longer LK5 Pro Large FDM Printer

Best for: Large format prints and open-source customization

Build Volume
300*300*400mm
Printing Technology
FDM
Features
Resume Printing, Open Source
Target Audience
Beginners
Color
Black
Dimensions
10 × 10 × 10 inches

View on Amazon: Longer LK5 Pro Large FDM Printer Affiliate link

The Longer LK5 Pro offers a 300x300x400mm build volume for large FDM prints. It features a 4.3-inch full-color touch screen and an open-source motherboard with TMC2208 drivers for quieter operation. The printer includes a dual blower kit for better cooling and a lattice glass build plate. It is 90% pre-assembled and supports resume printing after power loss.

Pros

  • 300x300x400mm large build volume
  • 4.3-inch full-color touch screen
  • Open-source motherboard with TMC2208 silent drivers
  • Dual blower kit for improved cooling
  • Resume printing function after power loss

Cons

  • BL-Touch probe is not included in the package
  • No mention of Wi-Fi or network connectivity
  • No mention of mobile app support

Good fit if

  • You need a large build volume for bigger projects
  • You prefer a larger 4.3-inch touch screen over smaller displays
  • You want an open-source system for custom firmware

Skip if

  • You require automatic bed leveling hardware included
  • You need built-in Wi-Fi for remote monitoring
  • You prefer a fully enclosed printer design

Verdict: The Longer LK5 Pro 300x300x400mm FDM is a practical choice for users who prioritize a large build area and a user-friendly interface. It suits beginners who want a pre-assembled machine with open-source flexibility.

Also great

Longer LK5 Pro Large 3D Printer

Best for: Large prints and silent operation

Build Volume
11.8 x 11.8x 15.7in. / 300*300*400mm
Print Speed
180mm/s
Printing Technology
FDM
Features
Resume Printing, Open Source
Target Audience
Beginners
Color
Black

View on Amazon: Longer LK5 Pro Large 3D Printer Affiliate link

The Longer LK5 Pro 3 is a large-format FDM 3D printer with a 11.8 x 11.8 x 15.7 inch build volume. It supports printing speeds up to 180mm/s and features TMC2209 silent drivers for quieter operation. The machine includes filament and power loss detection to resume prints automatically. It arrives 95% pre-assembled, making it suitable for beginners who need a stable, open-source platform for larger projects.

Pros

  • 11.8 x 11.8 x 15.7 inch build volume
  • 180mm/s maximum printing speed
  • TMC2209 silent stepper drivers
  • Filament and power loss detection sensors
  • 95% pre-assembled for quick setup

Cons

  • 28.7 pounds weight makes it less portable
  • No mention of Wi-Fi or remote connectivity
  • Requires manual leveling or calibration checks

Good fit if

  • You need a large build volume for bigger models
  • You prefer silent operation during long prints
  • You want an open-source board for firmware tweaks

Skip if

  • You require automatic bed leveling
  • You need Wi-Fi connectivity for remote monitoring
  • You want a fully enclosed printer for ABS

Verdict: The Longer LK5 Pro 3 Large FDM Printer offers a spacious build area and fast speeds for makers who prioritize print volume and quiet operation over wireless convenience.

Best premium

Longer LK5 Pro Large Open-Source 3D Printer

Best for: large prints and quiet home use

Build Volume
300*300*400mm
Print Speed
180mm/s
Printing Technology
FDM
Features
Resume Printing, Open Source
Target Audience
Beginners
Color
Black

View on Amazon: Longer LK5 Pro Large Open-Source 3D Printer Affiliate link

The Longer LK5 Pro 3 offers a 300x300x400mm build volume for large projects. It prints at 180mm/s with 0.1mm precision. The triangular structure and TMC2209 drivers ensure stability and quiet operation. You get open-source firmware for customization. This printer suits beginners who need a large canvas and reliable performance for home or school use.

Pros

  • 300x300x400mm large build volume
  • 180mm/s printing speed
  • Open-source firmware for customization
  • TMC2209 ultra-quiet drivers
  • Auto-resume printing feature

Cons

  • No mention of Wi-Fi or app control
  • Requires 10% assembly
  • No touchscreen display listed

Good fit if

  • You need a large build volume for big prints
  • You want quiet operation for home use
  • You prefer open-source firmware for customization

Skip if

  • You require fully automatic bed leveling
  • You need a completely pre-assembled unit
  • You want built-in Wi-Fi connectivity

Verdict: The Longer LK5 Pro 3 Large FDM Printer fits users who prioritize large build volumes and quiet operation. It is a solid choice for beginners who value open-source flexibility over convenience features like app control.

Also great

Longer LK5 Pro Large-Format 3D Printer

Best for: Large FDM projects and fast printing

Build Volume
11.8 x 11.8x 15.7in. / 300*300*400mm
Print Speed
180mm/s
Printing Technology
FDM
Features
Resume Printing, Open Source
Target Audience
Beginners
Color
Black

View on Amazon: Longer LK5 Pro Large-Format 3D Printer Affiliate link

The Longer LK5 Pro 3 offers a large 11.8 x 11.8 x 15.7-inch build volume for substantial FDM projects. It reaches print speeds of 180mm/s, which exceeds standard industry rates. The machine uses a stable triangular structure and automatic axis calibration to maintain 0.1 mm accuracy. It includes filament depletion detection and auto-resume functions to protect your prints. This open-source model suits beginners and DIY enthusiasts who need a spacious, fast printer.

Pros

  • 11.8 x 11.8 x 15.7-inch large build volume
  • 180mm/s high-speed printing capability
  • 0.1 mm printing accuracy via axis calibration
  • Filament depletion detection and auto-resume
  • Open-source firmware for customization

Cons

  • No mention of Wi-Fi or app control
  • Requires some assembly despite 90% pre-assembled claim
  • Silicon carbide glass bed may require surface prep

Good fit if

  • You need a large build volume for big parts
  • You want fast printing speeds for efficiency
  • You prefer open-source firmware for customization

Skip if

  • You require plug-and-play wireless connectivity
  • You want a fully assembled unit out of the box
  • You prefer a smaller footprint for limited space

Verdict: The Longer LK5 Pro 3 Large FDM Printer fits users who prioritize a large build volume and high speed. Its open-source nature and auto-resume features make it a solid choice for DIYers and beginners tackling bigger projects.

Best kids

Bambu Lab A1 FDM 3D Printer

Best for: Beginners needing a compact, quiet FDM printer

Printing Technology
FDM
Leveling Type
Full-Auto Calibration
Target Audience
Beginners, Kids
Color
Grey
Dimensions
21.8 × 20.8 × 12.9 inches
Weight
22 pounds

View on Amazon: Bambu Lab A1 FDM 3D Printer Affiliate link

The Bambu Lab A1 is a grey FDM printer designed for beginners and kids. It features a compact footprint measuring 20.8 by 21.8 by 12.9 inches. The unit weighs 22 pounds and includes full-auto calibration. It supports high-speed printing with 10,000 mm/s² acceleration. This model is ideal for users who want a ready-to-use machine with active flow rate compensation and quiet operation.

Pros

  • Full-auto calibration for seamless setup
  • High-speed printing with 10,000 mm/s² acceleration
  • Active flow rate compensation for smooth prints
  • Quiet operation with active motor noise canceling

Cons

  • Smaller build volume than the LK5 Pro alternatives
  • Multi-color printing requires separate AMS lite purchase
  • No mention of open-source mainboard in specifications

Good fit if

  • You want a ready-to-use FDM printer for beginners
  • You prefer a compact grey machine for small spaces
  • You value automatic calibration and quiet operation

Skip if

  • You need a large build volume for big projects
  • You require multi-color printing without extra hardware
  • You prefer an open-source mainboard for customization

Verdict: The Bambu Lab A1 Grey FDM Printer is a compact, quiet choice for beginners who prioritize ease of use and speed. It fits users with limited space who do not need large-format printing.

Best budget

Portable Compact FDM 3D Printer

Best for: Small flexible TPU prints for beginners

Build Volume
100x100x100mm
Printing Technology
FDM
Compatible Material
PLA, TPU
Target Audience
Beginners
Color
Black
Nozzle Diameter
0.4mm

View on Amazon: Portable Compact FDM 3D Printer Affiliate link

This compact FDM printer offers a 100x100x100mm build volume, making it suitable for small spaces. It supports both PLA and flexible TPU filaments, allowing for versatile project types. The unit weighs just 2.2 pounds and includes a 0.4mm nozzle for detailed prints. It is designed for beginners, students, and hobbyists who need a simple, ready-to-use machine for STEM learning or home decor.

Pros

  • Supports flexible TPU filament alongside standard PLA
  • Compact 100x100x100mm build volume fits small desks
  • Includes 10m PLA filament and 8GB TF card
  • Removable build plate for easy model removal

Cons

  • Small 100x100x100mm build volume limits print size
  • No Wi-Fi or app control mentioned in specs
  • Requires manual bed leveling without auto-sensor data

Good fit if

  • You need a portable printer for small spaces
  • You want to print flexible TPU materials
  • You are a beginner looking for simple setup

Skip if

  • You require large format prints over 100mm
  • You need automatic bed leveling features
  • You want wireless connectivity for remote printing

Verdict: Portable Compact FDM Printer for TPU is a practical choice for beginners who need to print small, flexible items. It fits users with limited desk space who value simplicity over advanced connectivity.

Also great

Longer LK5 Pro Dual Z-Axis 3D Printer

Best for: Large format printing with high speed

Build Volume
300x300x400mm
Print Speed
180mm/s
Color
Black
Application
Functional Parts
Dimensions
11.8 × 11.8 × 15.8 inches
Weight
26.5 pounds

View on Amazon: Longer LK5 Pro Dual Z-Axis 3D Printer Affiliate link

The Longer LK5 Pro with Dual Z-Axis offers a 11.8 x 11.8 x 15.7-inch build volume and 180mm/s print speed. It features a reinforced triangular frame, silent TMC2209 drivers, and an open-source motherboard. This 90% pre-assembled unit includes filament and power failure detection. It suits users needing large format printing with enhanced stability and quiet operation.

Pros

  • 11.8 x 11.8 x 15.7-inch build volume
  • 180mm/s maximum print speed
  • Dual Z-axis upgrade for stability
  • Silent TMC2209 drivers
  • Open-source motherboard for firmware customization

Cons

  • 26.5 pounds weight increases footprint
  • No Wi-Fi or app control listed
  • Requires manual bed leveling

Good fit if

  • You need a large build volume for bigger projects
  • You want faster printing speeds than standard models
  • You prefer a stable, reinforced frame structure

Skip if

  • You require fully automated bed leveling
  • You need wireless connectivity or app control
  • You want a completely plug-and-play experience without assembly

Verdict: The Longer LK5 Pro Dual Z-Axis fits users who prioritize large print sizes and speed. It delivers stable, high-volume output for those willing to handle manual setup.

Specifications side by side

Spec Longer LK5 Pro Large FDM Printer Longer LK5 Pro Large 3D Printer Longer LK5 Pro Large Open-Source 3D Printer Longer LK5 Pro Large-Format 3D Printer Bambu Lab A1 FDM 3D Printer Portable Compact FDM 3D Printer Longer LK5 Pro Dual Z-Axis 3D Printer
Build Volume 300*300*400mm 11.8 x 11.8x 15.7in. / 300*300*400mm 300*300*400mm 11.8 x 11.8x 15.7in. / 300*300*400mm not stated 100x100x100mm 300x300x400mm
Print Speed not stated 180mm/s 180mm/s 180mm/s not stated not stated 180mm/s
Printing Technology FDM FDM FDM FDM FDM FDM not stated
Leveling Type not stated not stated not stated not stated Full-Auto Calibration not stated not stated
Compatible Material not stated not stated not stated not stated not stated PLA, TPU not stated
Features Resume Printing, Open Source Resume Printing, Open Source Resume Printing, Open Source Resume Printing, Open Source not stated not stated not stated
Target Audience Beginners Beginners Beginners Beginners Beginners, Kids Beginners not stated
Color Black Black Black Black Grey Black Black
Application not stated not stated not stated not stated not stated not stated Functional Parts
Nozzle Diameter not stated not stated not stated not stated not stated 0.4mm not stated
Dimensions 10 × 10 × 10 inches 11.8 × 11.8 × 15.7 inches 20 × 20 × 15 inches 11.8 × 15.7 × 11.8 inches 21.8 × 20.8 × 12.9 inches 6.8 × 6.1 × 8.3 inches 11.8 × 11.8 × 15.8 inches
Weight not stated 28.7 pounds not stated not stated 22 pounds 2.2 pounds 26.5 pounds
Size LGT-LK5PRO 11.8x11.8x15.7 in Longer-LK5 Pro not stated A1 not stated 300x300x400mm
Model LK5 Pro LK5 Pro LK5 Pro LK5 Pro-B1 PF002-A not stated LK5 Pro

Frequently asked questions

Which alternative offers the largest build volume for big projects?

The Longer LK5 Pro Large Open-Source 3D Printer provides a substantial build area with dimensions of 20x15x20 inches. This makes it ideal for users who need to print large objects without scaling them down. It supports FDM technology and includes resume printing features. The open-source nature allows for customization, making it a strong choice for handling large-format tasks efficiently.

Is there a quieter option for home use?

The Longer LK5 Pro Large 3D Printer is highlighted for its silent operation. It is designed for users who prioritize quiet performance while maintaining a large build volume. This model uses FDM technology and includes resume printing capabilities. It is suitable for beginners who want to print in a home environment without disturbing others with loud mechanical noises during the printing process.

What is the best compact choice for beginners?

The Bambu Lab A1 is a compact, quiet FDM printer suited for beginners. It is designed for users with limited space who do not require large-format printing. The printer features a grey color and supports easy use. Its compact size makes it practical for desks or small rooms, offering speed and ease of use for new users starting their 3D printing journey.

Can I print flexible materials like TPU on these alternatives?

Yes, the Portable Compact FDM 3D Printer is compatible with PLA and TPU materials. It is designed for beginners who need to print small, flexible items. This printer is practical for users with limited desk space who value simplicity. It supports direct printing of flexible filaments, making it a versatile tool for creating items that require bendability or durability.

Which model is best for fast printing speeds?

The Longer LK5 Pro Large-Format 3D Printer is noted for its high speed capabilities. It is built for users who prioritize large build volumes and fast printing times. The machine supports FDM technology and includes open-source features. Its design allows for efficient production of larger projects, making it a solid choice for DIYers who need to complete prints quickly.

Does any alternative offer dual Z-axis stability?

The Longer LK5 Pro Dual Z-Axis 3D Printer features a dual Z-axis setup for enhanced stability. This model is designed for users who prioritize large print sizes and high speed. It delivers stable, high-volume output, making it suitable for those willing to handle manual setup. The dual-axis design helps ensure consistent quality when printing larger objects with FDM technology.

See also