Our Pick: OpenBuilds LEAD 1515 CNC Router

It wins 5 out of 9 comparison categories while costing $100 less.

OpenBuilds LEAD
Spec
WorkBee Z1+
$1100
Price
$1200
1500 × 1500 mm
Work area
750 × 750 mm
90 mm
Z travel
90 mm
710 W
Spindle power
800 W
30 kg
Weight
28 kg
V-Slot aluminum extrusion
Frame
V-Slot aluminum extrusion with steel plates
OpenBuilds BlackBox (GRBL-based)
Controller
GRBL (Duet or BlackBox controller options)
OpenBuilds CONTROL, UGS, CNCjs
Software
UGS, CNCjs, OpenBuilds CONTROL, Fusion 360

OpenBuilds LEAD 1515 CNC Router wins 3 of 4 spec categories. Both are similarly priced. WorkBee Z1+ CNC Router leads by 8 points overall — here’s where those points come from:

Benchmark Scores

Side-by-side score comparison across all five benchmark dimensions.

60
OpenBuilds LEAD

Overall

68
WorkBee Z1+
88 Value 65
22 Rigidity 52
32 Precision 55
65 Ease of use 55
48 Capability 58

OpenBuilds LEAD 1515 CNC Router

Pros

  • Enormous 1500x1500mm work area at an unbeatable price
  • Open-source design allows extensive customization
  • OpenBuilds CONTROL software is free and excellent
  • Massive community with years of modifications and improvements documented
  • BlackBox controller is plug-and-play

Cons

  • Frame rigidity is seriously compromised at this span
  • V-wheel bearings wear quickly under the stresses of this size
  • Belt drive introduces noticeable accuracy loss at the extremes
  • Router not included and needs to be purchased separately
  • Requires a very large, flat work surface

WorkBee Z1+ CNC Router

Pros

  • Solid V-Slot aluminum extrusion frame design
  • Optional 800W spindle provides genuine cutting power
  • Highly customizable size and component options
  • Based on proven OpenBuilds design ecosystem
  • Good selection of optional accessories

Cons

  • Ships from UK -- shipping costs and delays for US buyers
  • Assembly is more involved than plug-and-play alternatives
  • V-wheel motion system requires periodic adjustment
  • Price varies significantly based on configuration

Verdict

OpenBuilds LEAD 1515 CNC Router wins this comparison with 5 categories to 4.

It wins 5 out of 9 comparison categories while costing $100 less.

Where to Buy

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Frequently Asked Questions

What is the difference between OpenBuilds LEAD 1515 CNC Router and WorkBee Z1+ CNC Router?

The OpenBuilds LEAD 1515 CNC Router ($1100) features a 710W spindle with a 1500×1500mm work area and a V-Slot aluminum extrusion frame. The WorkBee Z1+ CNC Router ($1200) features a 800W spindle with a 750×750mm work area and a V-Slot aluminum extrusion with steel plates frame. Overall, the OpenBuilds LEAD 1515 CNC Router wins more comparison categories.

Which is better value for money — OpenBuilds LEAD 1515 CNC Router or WorkBee Z1+ CNC Router?

The OpenBuilds LEAD 1515 CNC Router is $100 cheaper at $1100 vs $1200. Our value scores rate the OpenBuilds LEAD 1515 CNC Router higher at 88/100.

Which router is easier to set up and use?

Based on our ease-of-use benchmarks, the OpenBuilds LEAD 1515 CNC Router scores higher (65/100 vs 55/100). Both support OpenBuilds CONTROL, UGS, CNCjs among other software options.

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