Longer LK5 Pro Dual Z-Axis 3D Printer vs Longer LK5 Pro Large Open-Source 3D Printer (2026): Key Differences
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This comparison examines the longer lk5 pro large open source 3d printer vs lk5 pro dual z axis 3d. Both models offer a 300x300x400mm build volume, 180mm/s speed, and open-source firmware. They share silent drivers and filament detection. The main difference lies in the mechanical setup. One version features a dual Z-axis upgrade for enhanced stability. The other relies on a standard single-axis configuration. You must decide which structure fits your precision needs.
Key differences
| Aspect | Longer LK5 Pro Dual Z-Axis 3D Printer | Longer LK5 Pro Large Open-Source 3D Printer |
|---|---|---|
| Z-Axis Configuration | Dual Z-Axis Upgrade | Standard Single Z-Axis |
| Build Volume | 300x300x400mm | 300x300x400mm |
| Print Speed | 180mm/s | 180mm/s |
| Printing Technology | Not listed | FDM |
| Precision Claim | Not listed | 0.1mm |
| Bed Material | Lattice glass plate | Silicon carbide lattice glass |
Which one should you choose?
Choose Longer LK5 Pro Dual Z-Axis 3D Printer if
- You want the extra stability provided by dual Z-axis motors
- You prefer a mechanical design that minimizes bed leveling effort
- You need a triangular structure reinforced with diagonal bars
Choose Longer LK5 Pro Large Open-Source 3D Printer if
- You prioritize the explicitly stated 0.1mm precision rating
- You want FDM technology clearly defined in the specs
- You prefer silicon carbide glass for the print bed
Verdict: Choose the dual Z-axis model if mechanical stability and reduced leveling effort are your top priorities. Select the standard open-source version if you want a printer with a clearly stated 0.1mm precision and FDM technology. Both offer identical build volumes and speeds for general use.
LK5 Pro Dual Z vs Large Open Source
Build Volume and Size
Both printers share the same generous 300x300x400mm build volume, allowing you to create large models without splitting them apart. However, their physical footprints differ. The Longer LK5 Pro Dual Z-Axis model has a compact base measuring 11.8 x 11.8 inches, making it suitable for tighter workspaces. In contrast, the Longer LK5 Pro Large Open-Source version has a wider base footprint of 20 x 20 inches. You should consider your available desk or table space carefully, as the Large Open-Source variant requires significantly more width despite offering identical internal printing dimensions.
Printing Speed
When it comes to speed, both machines are identical. The Longer LK5 Pro Dual Z-Axis 3D Printer and the Longer LK5 Pro Large Open-Source 3D Printer both advertise a maximum print speed of 180mm/s. This rate exceeds standard industry averages, allowing you to finish projects faster. Neither model offers a speed advantage over the other. You will get the same rapid output from either choice, assuming you use similar settings and materials. The firmware and driver upgrades in both units support this consistent high-speed performance without compromising basic stability.
Stability and Structure
Both printers utilize a reinforced triangular structure with diagonal bars to minimize vibration. The Longer LK5 Pro Dual Z-Axis 3D Printer adds a specific dual Z-axis upgrade kit, which enhances vertical stability and reduces bed leveling effort. This mechanical addition aims to improve print quality by keeping the Z-axis smooth. The Longer LK5 Pro Large Open-Source 3D Printer relies on its standard sturdy triangular frame and X/Y-axis automatic calibration to maintain precision. While both are stable, the Dual Z-Axis model has a clear mechanical edge for users prioritizing vertical accuracy and reduced leveling maintenance.
Print Bed and Leveling
Both units feature a lattice glass platform to ensure flat surfaces and easy model removal. The Longer LK5 Pro Dual Z-Axis 3D Printer uses this glass to provide a flatter hotbed, which aids in achieving higher-quality prints. The Longer LK5 Pro Large Open-Source 3D Printer also uses a silicon carbide lattice glass platform for uniform temperature distribution. However, the Large Open-Source model explicitly mentions X and Y-axis automatic calibration technology to minimize vibration errors. If you prefer automated leveling assistance for the X and Y axes, the Large Open-Source version offers a slight functional advantage in setup convenience.
Precision and Features
Precision is a key selling point for the Longer LK5 Pro Large Open-Source 3D Printer, which explicitly claims 0.1mm precision achieved through advanced firmware and automatic calibration. The Longer LK5 Pro Dual Z-Axis 3D Printer highlights its stable structure and dual Z-axis upgrade for improved accuracy but does not state a specific numerical precision value. Both share identical core features like filament detection, power loss recovery, and open-source firmware. For buyers who want a guaranteed precision metric backed by automatic calibration data, the Large Open-Source model provides more specific technical assurances.
Choose Your Longer LK5 Pro Model
Users needing extra vertical space
The Dual Z-Axis version offers a 21.6-inch height option in its variations. This provides a taller build envelope for larger models. You gain more vertical room without increasing the machine's footprint. The 11.8-inch width keeps it compact on your desk while allowing taller prints.
Beginners wanting quick setup
This model is 90% pre-assembled, saving you time on construction. It includes automatic X and Y-axis calibration to reduce manual leveling. The open-source firmware and silent TMC2209 driver make it easy to start printing. You get a stable triangular structure that minimizes vibration for reliable results.
Those prioritizing print precision
The LK5 Pro 3 features 0.1mm precision with automatic axis calibration. This technology minimizes resonance errors for sharper details. It uses a silicon carbide lattice glass bed for uniform heat and strong adhesion. The dual fans ensure swift cooling, which helps maintain high-quality surface finishes on your prints.
The products compared
Longer LK5 Pro Dual Z-Axis 3D Printer
Best for: Large, stable prints
- 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 a dual Z-axis upgrade offers a 300x300x400mm build volume and 180mm/s print speed. Its reinforced diagonal bar structure minimizes vibration for stable prints. The open-source motherboard and silent TMC2209 drivers allow for quiet operation and firmware customization. Filament and power sensors help prevent wasted prints by pausing and resuming automatically. This model suits users needing a large, stable workspace.
Pros
- 180mm/s fast print speed
- 300x300x400mm large build volume
- Dual Z-axis for stability
- Open-source motherboard
- Silent TMC2209 drivers
Cons
- 26.5 pounds weight
- No app control listed
- 90% pre-assembled
Good fit if
- You need a large build volume
- You want a stable frame
- You prefer silent operation
Skip if
- You want a fully assembled unit
- You need app control
- You prefer a lighter printer
Verdict: The Longer LK5 Pro Dual Z-Axis provides a large 300x300x400mm build area and fast 180mm/s speeds for heavy-duty projects. Its reinforced structure and dual Z-axis make it a solid choice for users prioritizing stability and print quality over convenience.
Longer LK5 Pro Large Open-Source 3D Printer
Best for: open-source firmware customization and large prints
- 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 Open-Source 3D Printer is a large-format FDM printer with an 11.8 x 11.8 x 15.7 inch build volume. It features open-source firmware on a 32-bit motherboard with TMC2209 silent stepper drivers, printing speeds up to 180 mm/s, and a silicon carbide lattice glass bed. It suits makers who want customizable firmware and large build capacity.
Pros
- Large 300 x 300 x 400 mm (11.8 x 11.8 x 15.7 inch) build volume
- Open-source firmware on a 32-bit mainboard with TMC2209 drivers
- Print speeds up to 180 mm/s with 0.1 mm precision
- Filament runout detection and power-loss resume printing
Cons
- Lacks the dual Z-axis setup found on upgraded configurations
- Specifications do not mention a touchscreen display
Good fit if
- You want open-source firmware and a 32-bit board for custom G-code modifications.
- You need a tall 300 x 300 x 400 mm build space for large models.
- You prefer quiet TMC2209 stepper drivers and triangular frame support rods.
Skip if
- You require a dual Z-axis drive mechanism.
- You need an integrated color touchscreen interface.
Verdict: Longer LK5 Pro Open-Source 3D Printer provides expansive build capacity and community firmware flexibility for makers focused on custom G-code modifications.
Specifications side by side
| Spec | Longer LK5 Pro Dual Z-Axis 3D Printer | Longer LK5 Pro Large Open-Source 3D Printer |
|---|---|---|
| Build Volume | 300x300x400mm | 300*300*400mm |
| Print Speed | 180mm/s | 180mm/s |
| Printing Technology | not stated | FDM |
| Features | not stated | Resume Printing, Open Source |
| Target Audience | not stated | Beginners |
| Color | Black | Black |
| Application | Functional Parts | not stated |
| Dimensions | 11.8 × 11.8 × 15.8 inches | 20 × 20 × 15 inches |
| Weight | 26.5 pounds | not stated |
| Size | 300x300x400mm | Longer-LK5 Pro |
| Model | LK5 Pro | LK5 Pro |
Frequently asked questions
Does the Longer LK5 Pro Dual Z-Axis support open-source firmware?
Yes, this model features open-source firmware. This allows you to modify the printer's software and explore community-driven enhancements. The open-source nature provides flexibility for advanced users who want to customize their printing experience beyond standard settings.
What is the build volume for both Longer LK5 Pro models?
Both printers offer a 300x300x400mm build volume. This generous space lets you create large objects without splitting them into smaller parts. You can tackle big projects with confidence using either machine's expansive printing area.
Which printer has a smaller footprint?
The Dual Z-Axis version has a more compact base. It measures 11.8 inches in width and length. This smaller footprint makes it easier to fit on smaller desks or in tighter workspaces compared to the larger open-source model.
Can I use the open-source model for beginner projects?
Yes, the Longer LK5 Pro Large Open-Source printer targets beginners. It includes resume printing functionality to handle power interruptions. This feature helps new users recover from mistakes or outages without losing their entire print job.
What is the maximum print speed for these printers?
Both models support speeds up to 180mm/s. This fast movement allows you to complete standard prints quickly. The speed is consistent across both the dual-axis and open-source versions, ensuring efficient production for various project types.
Is the Dual Z-Axis model heavier than the open-source version?
The Dual Z-Axis model weighs 26.5 pounds. While the open-source model's weight is not listed, the dual-axis design adds structural reinforcement. This extra mass contributes to stability during high-speed printing and reduces vibration in large parts.
Do both printers have filament runout detection?
Yes, both models include filament detection sensors. This feature pauses the print if the filament runs out or tangles. It prevents wasted material and time by alerting you before a print fails due to lack of supply.
Which model is better for vertical height?
The Dual Z-Axis model offers greater vertical flexibility. It provides a 21.6-inch height option in some variations. This extra space allows you to print taller objects that might not fit within the standard 15-inch height of the open-source model.

