Our Pick: Sienci Labs LongMill MK2 30x30
It scores 76/100 overall versus 68/100, winning 7 out of 9 comparison categories.
Specs are evenly split between both machines. Both are similarly priced. Sienci Labs LongMill MK2 30x30 leads by 8 points overall — here’s where those points come from:
Benchmark Scores
Side-by-side score comparison across all five benchmark dimensions.
Overall
Sienci Labs LongMill MK2 30x30
Pros
- Excellent build quality with steel and aluminum construction
- Anti-backlash lead screws on all axes
- Outstanding documentation and video tutorials
- gSender software is purpose-built and beginner-friendly
- Strong community and Canadian customer support
Cons
- Router not included adds to total cost
- Assembly takes 4-6 hours
- Lead screws are slower than belt drives for rapids
- Dust shoe is an optional extra
WorkBee Z1+ CNC Router
Pros
- Solid V-Slot aluminum extrusion frame design
- Choice of separate WorkBee or Mafell router head and matching mount
- 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
Sienci Labs LongMill MK2 30x30 wins this comparison with 7 categories to 2.
It scores 76/100 overall versus 68/100, winning 7 out of 9 comparison categories.
Where to Buy
Price-first merchant links with the clearest reason to click first.
Sienci Labs LongMill MK2 30x30
$1200WorkBee Z1+ CNC Router
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Frequently Asked Questions
What is the difference between Sienci Labs LongMill MK2 30x30 and WorkBee Z1+ CNC Router?
The Sienci Labs LongMill MK2 30x30 ($1,200) features a 710W spindle with a 762×762mm work area and a Steel and aluminum with anti-backlash lead screws frame. The WorkBee Z1+ CNC Router ($1,200) features a 800W spindle with a 520×520mm work area and a V-Slot/C-Beam aluminum extrusion and aluminum plates, lead screws and V-wheel guidance frame. Overall, the Sienci Labs LongMill MK2 30x30 wins more comparison categories.
Which is better value for money — Sienci Labs LongMill MK2 30x30 or WorkBee Z1+ CNC Router?
Both machines are identically priced at $1200. Our value scores rate the Sienci Labs LongMill MK2 30x30 higher at 72/100.
Which router is easier to set up and use?
Based on our ease-of-use benchmarks, the Sienci Labs LongMill MK2 30x30 scores higher (85/100 vs 55/100). Both support gSender, UGS, CNCjs among other software options.