Current price
$3,890 current direct
Checked todayDirect source1 evidence itemThe 1.5 or 2.2kW spindle and extraction package are separate. Confirm the checkout price and package before paying.
Sienci Labs · AltMill MK2 2x4
AltMill MK2 2x4
A 2-by-4-foot production-oriented gantry router with linear rails, ball screws and optional spindle systemsMarket statusCurrent half-sheet linear-rail CNCChecked Aug 15
Reference price$3,890 current directCurrent Sienci direct offer
Product cyclecurrentRelease history under review
EvidenceWell supported6 publishers · 3 independent
Next full checkAug 22, 2026Price checks run sooner
01
Ready to buy
Confirm the exact machine and complete setup
The retained reference is $3,890 current direct. The 1.5 or 2.2kW spindle and extraction package are separate. Confirm the current configuration, included parts, support path, return terms and the work that must be preserved before ordering.
Buying stageMarket familiarity
02
Current market
The facts that change the ownership choice
Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.
QuestionCurrent answerFreshnessBasis
Market branch
Half-sheet production value CNC
Checked todayOur synthesis2 evidence itemsPurchase boundary
The machine price still leaves spindle voltage, table, dust, computer, enclosure and material flow to the shop
Checked todayOur synthesis2 evidence itemsNominal work area
2 by 4 feet
Checked todayDirect source2 evidence itemsMotion
Linear rails and ball screws
Checked todayDirect source2 evidence itemsSpindle path
Optional 1.5 or 2.2kW ER20 system
Checked todayDirect source2 evidence itemsController
SLB-EXT control platform
Checked todayDirect source2 evidence itemsCurrent verdict
The high-rigidity half-sheet value
Checked todayOur synthesis7 evidence itemsAltMill MK2 2x4 fits a small shop that wants modern motion and furniture-part width without a 4-by-4 footprint.
03
Other paths
The alternatives change what the AltMill MK2 2x4 is worth
These are not generic competitors. Each one represents a different way to buy into the same market.
01lower upfront
Carbide 3D
Shapeoko 5.1 Pro 4x2
From $3,550 current direct- Best fit
- Half-sheet guided gantry CNC
- Tradeoff
- The wide gantry needs a flat supporting table and enough front, side and dust-hose clearance, and it cannot later be enlarged economically
02premium
Sienci Labs
AltMill MK2 4x4
$4,290 current direct- Best fit
- Large production-value gantry CNC
- Tradeoff
- A capable 4-by-4 machine needs a level permanent station, spindle circuit, dust collector, noise control and safe full-sheet workflow
04
What changed
The product has a history
Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.
- notable
Current market position retained
AltMill MK2 2x4 was checked against its manufacturer record, the current category collection and the nearest ownership alternatives.
Price record
The price history starts here
Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.
- $3,890 current direct
Current reference priceA structured timeline will begin with the next source capture
05
Owner experience
What repeats after the purchase
Owner discussion repeatedly returns to spindle setup, early revisions and support documentation rather than specifications alone.
These are self-reported experiences from a changing mix of owners, conditions and software versions. They identify questions to test, not a failure rate.SignalWhat owners reportOur readEvidence
spindle setup, early revisions and support documentation
Owners repeatedly return to frame and table rigidity, spindle noise and power, controllers, CAM posts, skipped steps, dust, workholding, size regret, upgrade paths, support response and the difference between a kit and a production tool.
Confirm the exact MK2 package, ship timing and electrical plan before ordering.
1 evidence record06
Sources
Why we believe the current view
The page separates what a source states directly from what we conclude across sources.
01AltMill MK2 2x4 product recordSienci Labs · identity
Sienci Labs identifies AltMill MK2 2x4 as a 2-by-4-foot production-oriented gantry router with linear rails, ball screws and optional spindle systems
- Source type
- manufacturer
- Content hash
- 9cdb75bd50abcc09…
- Use
- store excerpt
02AltMill MK2 2x4 current offerSienci Labs · price
$3,890 current direct was retained from the current manufacturer or authorized-market record with package and availability qualifications kept visible.
- Source type
- manufacturer
- Content hash
- 290690c9099ea81a…
- Use
- store snapshot
03AltMill MK2 2x4 support and specificationsSienci Labs · specification
Sienci Labs publishes setup, compatibility or service material that makes this purchase boundary explicit: The machine price still leaves spindle voltage, table, dust, computer, enclosure and material flow to the shop
- Source type
- support
- Content hash
- 06c8c66863abd5b6…
- Use
- store excerpt
04Current desktop CNC router marketMatterHackers · price
The current market spans small kits, supported benchtop systems, 4-by-4 routers, handheld CNC, spindle machines and compact production cells, with ready-to-cut cost well above the frame price.
- Source type
- retailer
- Content hash
- 5b4d731110abb80e…
- Use
- store snapshot
05Shapeoko 5.1 Pro shop reviewFine Woodworking · specification
Current shop testing emphasizes frame stability, furniture joinery, front-edge machining, daily use and responsive support rather than a maximum feed-rate claim.
- Source type
- editorial
- Content hash
- 9068c696a4c42b98…
- Use
- store excerpt
06Digital fabrication and CNC guidanceMake · consensus
Independent maker coverage treats rigidity, workholding, cutters, feeds, software, dust and operator learning as one system.
- Source type
- editorial
- Content hash
- a666ea835ced6552…
- Use
- store excerpt
07Current CNC router ownership discussionsHobby CNC owners · consensus
Owners repeatedly return to frame and table rigidity, spindle noise and power, controllers, CAM posts, skipped steps, dust, workholding, size regret, upgrade paths, support response and the difference between a kit and a production tool.
- Source type
- community
- Content hash
- 9ee78eb204bf282b…
- Use
- store excerpt
08Shapeoko 5.1 Pro 4x2 alternative recordCarbide 3D · alternative
Shapeoko 5.1 Pro 4x2 represents the half-sheet guided gantry cnc branch at From $3,550 current direct.
- Source type
- manufacturer
- Content hash
- 56331fc5d8743470…
- Use
- store excerpt
09AltMill MK2 4x4 alternative recordSienci Labs · alternative
AltMill MK2 4x4 represents the large production-value gantry cnc branch at $4,290 current direct.
- Source type
- manufacturer
- Content hash
- e6f4ac9616ff5d67…
- Use
- store excerpt
The manufacturer record, current market collection, support material and independent category evidence were checked on August 15, 2026. The checkout package and regional support path still need verification. Owner reports are retained as bounded experience, not a reliability rate.
Researching another model?