Our Pick: Onefinity Machinist X-35
It scores 82/100 overall versus 76/100, winning 6 out of 8 comparison categories.
Onefinity Machinist X-35 wins 2 of 3 spec categories. Sienci Labs LongMill MK2 30x30 costs $1,199 less. Onefinity Machinist X-35 leads by 6 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
Onefinity Machinist X-35
Pros
- Ball screws on all axes for superior precision
- Extremely quick assembly (under 30 minutes)
- Built-in controller with web interface -- no computer needed
- Heavier, more rigid construction than the Woodworker
- Excellent build quality and fit/finish
Cons
- Spindle/router not included at this price
- Premium pricing compared to lead screw alternatives
- Proprietary controller limits advanced customization
- Heavy machine requires sturdy work surface
Verdict
Onefinity Machinist X-35 wins this comparison with 6 categories to 2.
It scores 82/100 overall versus 76/100, winning 6 out of 8 comparison categories.
Where to Buy
Price-first merchant links with the clearest reason to click first.
Sienci Labs LongMill MK2 30x30
$1200Onefinity Machinist X-35
$2399As 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 30x30 and Onefinity Machinist X-35?
The Sienci Labs LongMill MK2 30x30 ($1200) features a 710W spindle with a 762×762mm work area and a Steel and aluminum with anti-backlash lead screws frame. The Onefinity Machinist X-35 ($2399) features a 710W spindle with a 816×816mm work area and a Anodized aluminum with ball screws on all axes frame. Overall, the Onefinity Machinist X-35 wins more comparison categories.
Which is better value for money — Sienci Labs LongMill MK2 30x30 or Onefinity Machinist X-35?
The Sienci Labs LongMill MK2 30x30 is $1199 cheaper at $1200 vs $2399. 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 Onefinity Machinist X-35 scores higher (95/100 vs 85/100). Both support gSender, UGS, CNCjs among other software options.