Carbide 3D
Carbide 3D Shapeoko 4 (Standard)
$1800
Released 2020-11-01
Best Desktop Cnc Machines · head-to-head
Carbide 3D Shapeoko 4 (Standard) vs Sienci LongMill MK2 (48x30)
A sourced, side-by-side comparison. Sienci LongMill MK2 (48x30) is cheaper at $1799. Every spec and price links to its source.
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Sienci Labs
Sienci LongMill MK2 (48x30)
$1799Cheaper
Released 2022-02-01
Which is better: the Carbide 3D Shapeoko 4 (Standard) or Sienci LongMill MK2 (48x30)?
On the specs we track, they're closely matched. The Sienci LongMill MK2 (48x30) is the cheaper at $1799.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Carbide 3D Shapeoko 4 (Standard) | Sienci LongMill MK2 (48x30) |
|---|---|---|
| US price | $1800 | $1799 |
| Brand | Carbide 3D | Sienci Labs |
| Released | 2020-11-01 | 2022-02-01 |
| Work area x (mm) | 445 | 1219 |
| Work area y (mm) | 445 | 762 |
| Work area z (mm) | 102 | — |
| Spindle power (W) | — | 710 |
| Spindle speed (rpm) | 12,000-30,000 | 10,000-30,000 |
| Frame material | Aluminum extrusion rails with machined aluminum X/Y carriage plates | Extruded aluminum rails with UHMW/HDPE wheels, lead screw drive on all axes |
| Controller firmware | Carbide Motion controller board (GRBL-based firmware), USB-connected, Carbide Motion software | Sienci controller box (GRBL-based), gSender sender software |
| Max feed rate mm min | — | — |
| Repeatability (mm) | — | — |
Sources — Carbide 3D Shapeoko 4 (Standard): shop.carbide3d.com (verified 2026-08-09). Sienci LongMill MK2 (48x30): sienci.com (verified 2026-08-09).
What's the difference between the Carbide 3D Shapeoko 4 (Standard) and Sienci LongMill MK2 (48x30)?
Where the two actually differ on the specs we track (5 of 9). Matching specs are omitted.
- Work area x (mm): Carbide 3D Shapeoko 4 (Standard) 445 vs Sienci LongMill MK2 (48x30) 1219
- Work area y (mm): Carbide 3D Shapeoko 4 (Standard) 445 vs Sienci LongMill MK2 (48x30) 762
- Spindle speed (rpm): Carbide 3D Shapeoko 4 (Standard) 12,000-30,000 vs Sienci LongMill MK2 (48x30) 10,000-30,000
- Frame material: Carbide 3D Shapeoko 4 (Standard) Aluminum extrusion rails with machined aluminum X/Y carriage plates vs Sienci LongMill MK2 (48x30) Extruded aluminum rails with UHMW/HDPE wheels, lead screw drive on all axes
- Controller firmware: Carbide 3D Shapeoko 4 (Standard) Carbide Motion controller board (GRBL-based firmware), USB-connected, Carbide Motion software vs Sienci LongMill MK2 (48x30) Sienci controller box (GRBL-based), gSender sender software