

Our Pick: Sienci Labs LongMill MK2 48x30
It scores 74/100 overall versus 64/100, winning 7 out of 9 comparison categories.
Sienci Labs LongMill MK2 48x30 wins 3 of 4 spec categories. Both are similarly priced. Sienci Labs LongMill MK2 48x30 leads by 10 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 48x30
Pros
- Large 48x30 inch work area handles full-width projects
- Same excellent documentation as the 30x30 model
- Anti-backlash lead screws on all axes
- gSender software is beginner-friendly and well-maintained
- Responsive Canadian customer support
Cons
- Router not included adds to total cost
- Larger span reduces rigidity compared to 30x30
- Requires significant workspace footprint
- Heavier and more complex assembly
- Lead screw speed limits rapids on longer axis
Inventables X-Carve (legacy 1000mm)
Pros
- Easel combines design, toolpath generation and machine control
- Compatible with common trim routers when the correct mount is fitted
- Large 750x750mm work area
- Massive community with years of projects and tutorials
- Legacy documentation and community projects remain available
Cons
- V-wheel motion system is outdated compared to linear rail competitors
- Discontinued, with original replacement assemblies subject to remaining stock
- X/Y belts and V-wheels require tension and adjustment checks
- Easel Pro requires a subscription for advanced features
Verdict
Sienci Labs LongMill MK2 48x30 wins this comparison with 7 categories to 2.
It scores 74/100 overall versus 64/100, 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 48x30
$1400Inventables X-Carve (legacy 1000mm)
$1400As an Amazon Associate I earn from qualifying purchases. Affiliate links may earn a commission at no extra cost.
Frequently Asked Questions
What is the difference between Sienci Labs LongMill MK2 48x30 and Inventables X-Carve (legacy 1000mm)?
The Sienci Labs LongMill MK2 48x30 ($1,400) features a 710W spindle with a 1219×762mm work area and a Steel and aluminum with anti-backlash lead screws frame. The Inventables X-Carve (legacy 1000mm) ($1,400) features a 900W spindle with a 750×750mm work area and a Aluminum extrusion and steel plates, V-wheel guides, belt-driven X/Y and ACME lead-screw Z frame. Overall, the Sienci Labs LongMill MK2 48x30 wins more comparison categories.
Which is better value for money — Sienci Labs LongMill MK2 48x30 or Inventables X-Carve (legacy 1000mm)?
Both machines are identically priced at $1400. Our value scores rate the Sienci Labs LongMill MK2 48x30 higher at 75/100.
Which router is easier to set up and use?
Based on our ease-of-use benchmarks, the Inventables X-Carve (legacy 1000mm) scores higher (92/100 vs 82/100). Both support gSender, UGS, CNCjs among other software options.
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