Image: Sienci Labs
Sienci Labs LongMill MK2 30x30
Sienci Labs
Best for: Intermediate hobbyists who want excellent documentation and a well-engineered machine for woodworking
Typical starting price
$1,200Editorial baseline for this machine
Overall score
Best current buying path
Where to buy
Bundle from $1,200 · checked Apr 12
- Shipping varies by retailer
- Check manufacturer site for availability
Affiliate link. We may earn a commission at no extra cost.
Quick verdict
The Sienci Labs LongMill MK2 is one of the best-documented CNC routers on the market. Sienci's assembly guides, video tutorials, and custom gSender software make the experience approachable for newcomers. The 30x30 inch work area suits most woodworking projects, and the anti-backlash lead screws provide good precision. The steel and aluminum construction is robust for the price. Sienci is a Canadian company with a reputation for responsive customer support and an active community forum.
Who this fits best
Intermediate hobbyists who want excellent documentation and a well-engineered machine for woodworking
Where it wins
- 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
Where it falls short
- 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
Specifications
762 × 762 mm
5806 cm²
710W
Router mount (Makita RT0701C or DeWalt DWP611, not included)
26 kg
$1,200
mid range
Full specification table
Relative to database
Benchmark Scores
Overall Score
Composite across 5 dimensions
Community Sentiment
The LongMill MK2 is the community's favorite recommendation for hobbyists who value documentation and support. Sienci Labs has built a loyal following through exceptional resources, and owners frequently praise gSender as the best CNC sender software available.
What owners love
- Best documentation of any hobby CNC -- assembly guides, video tutorials, and resources hub
- gSender software is purpose-built and genuinely beginner-friendly
- Sienci's customer support is consistently praised as responsive and helpful
- Anti-backlash lead screws punch above the price point for precision
- Canadian company with a strong community-first approach
Common complaints
- Router not included adds $100-130 to the real cost
- Lead screws are noticeably slower for rapid moves than belt-driven machines
- Dust shoe is an extra purchase and feels like it should be included
- Some users report minor Z-axis sag on longer runs
- Assembly takes 4-6 hours which feels long compared to Onefinity
Typical upgrades
- Makita RT0701C or DeWalt DWP611 router (required, not included)
- Dust shoe for chip evacuation
- Touch plate for automated Z zeroing
- Laser module for engraving
- Inductive limit switches for homing
Community sentiment is aggregated from forums, Reddit, Discord, and manufacturer communities. Individual experiences may vary.
