Lunyee 3020 Nova CNC Review: Real-World Performance, Build Quality & Metal Cutting Test

Written by Joshua De Lisle

After spending time actually using the Lunyee 3020 Nova CNC, it becomes clear that this is not a machine trying to rely on marketing or first impressions. It presents itself more as a practical desktop CNC machine—something that fits into a workshop and gets to work without much emphasis on presentation.

With experience across a range of CNC machines—from entry-level belt-driven routers to more rigid desktop systems—this unit was tested on both wood and aluminum to evaluate its real-world performance under actual working conditions.

One of the first things you notice is the overall weight and structure. The machine feels solid and stable, and that kind of physical presence usually translates into better behavior once cutting begins.

 

 

Build Quality & Motion System (Linear Rails + Ball Screws)

Once placed on the workbench and powered on, the design becomes more apparent. The 3020 Nova uses linear guide rails and ball screws on all axes, which already sets it apart from many belt-driven desktop CNC machines.

Motion feels controlled and direct. When jogging the machine, there is no noticeable slack or hesitation. Compared to belt-driven systems—especially on the X and Y axes—the movement feels more precise and mechanically consistent.

The stepper motors operate quietly during use, and throughout normal operation there were no missed steps or unusual noise. The motion remains stable under typical workloads, which is a good sign for a desktop CNC machine in this category.

That said, it’s still worth going through the hardware early. A few fasteners needed tightening out of the box, and there was slight movement around the spindle mount under load. These are minor adjustments, but they do help improve overall stability before longer CNC runs.

 

 

Setup & GRBL Workflow

Setup is fairly straightforward. The machine arrives mostly assembled, with only basic steps required such as mounting the Z-axis, checking alignment, and making sure everything is properly squared before use.

It runs on a GRBL controller, which provides a familiar workflow for anyone who has used a desktop CNC system before. During testing, LightBurn was used as the primary control software, and it handled motion and toolpaths smoothly.

A Z-probe is included and works well for setting zero, although manual zeroing was used more often—especially when switching between materials like wood and aluminum.

For workholding, an MDF spoilboard with T-tracks was used. It’s a simple setup, but it works well and is flexible enough for different types of CNC projects and small part machining.

 

 

Material Performance

Metal Cutting Performance

Small desktop CNC machines usually start to show their limits when it comes to cutting metal, especially in terms of rigidity and vibration. To test this, a pocketing operation was run on aluminum using a square spiral toolpath, which applies a consistent cutting load while changing direction.

Using conservative settings—a 3.175 mm (1/8") single-flute end mill, 0.2 mm depth of cut, and a feed rate of around 10 mm/s—the 3020 Nova completed the cut without any instability.

The toolpath remained clean and consistent throughout. There were no signs of chatter, and the cutting sound stayed stable. Chip formation also looked correct, which is always a good indicator that the CNC machining conditions are under control.

Surface quality is clean for a machine in this category. While it doesn’t reach industrial-level finishing, it is more than sufficient for functional parts without requiring immediate post-processing.

Compared to belt-driven CNC routers, the use of ball screws provides noticeably better rigidity and control during aluminum cutting on a desktop CNC machine. It still operates within its size limitations, but the results are stable and predictable.

 

 

3D Carving Test (Extended Operation)

To evaluate longer and more complex operations, a 3D carving test was performed using a relief of a bear breaking through a surface. The model was approximately 150 × 150 mm and included varying depths and detailed textures.

The roughing pass removed material efficiently without issue. The finishing pass is where stability becomes more important, as it involves continuous fine movements and constant Z-axis adjustments across the surface.

This stage ran for nearly three hours. The machine was not monitored continuously, which is usually a good sign when it comes to CNC stability during long runs. Periodic checks showed that it continued operating without drift or visible problems.

The final result came out clean. Fine details such as texture were well preserved, transitions between different heights were smooth, and the background edges remained sharp. No obvious artifacts or irregular stepping was observed.

This level of consistency suggests the machine can handle longer 3D CNC carving tasks with stable performance, which is important for detailed work.

 

 

Who It Is For (And Who It Is Not)

The 3020 Nova sits in a practical position within the desktop CNC category.

It is well suited for:

• Hobbyists working with wood and light metal

• Users upgrading from belt-driven CNC machines

• Small-scale prototyping and CNC part production

It is less ideal for:

• Large-format machining

• Heavy industrial workloads

• Users expecting a fully plug-and-play machine without adjustments

 

 

Final Verdict: Is It Worth It?

After extended use, the Lunyee 3020 Nova CNC feels like a machine that settles into a workflow rather than trying to impress with features.

It does not rely on marketing-heavy design choices, but the combination of linear rails and ball screws contributes to stable and repeatable performance. Compared to belt-driven machines in the same size range, it handles more demanding materials—especially metal—with better control, making it suitable for light metal cutting.

It does require some initial setup and small adjustments, which is normal for a machine in this category. However, once properly configured, it delivers consistent results across both wood and light metal CNC machining.

For users looking for a compact CNC machine that can handle both materials with stability, this is a well-balanced option that performs reliably in real-world use.