FoxAlien · Open-frame router · New

XE-Ultra Core

FoxAlien’s flagship hardware — rails, ball screws, closed-loop motors — in a compact 440 mm bed.

$1,399No spindle or spoilboard.
Compare it Manufacturer page ↗
X 440 mm Z 120
Work area440 × 440 mm
SpindleBring your own
DriveBall screw (16 mm)
MetalAluminum, comfortably
Will's take

Pro-grade bones for $1,399. Bring your own spindle and patience.

On paper this is remarkable: HG-15 rails and 16 mm ball screws on every axis, closed-loop 2.6 Nm NEMA 23s and a heavy 46 × 80 mm extrusion frame, for the price of a belt machine a few years ago. It’s the same hardware as FoxAlien’s bigger XE-Ultra 8080.

But the spindle and spoilboard aren’t included, the footprint is big for a 17-inch bed, and there are very few owner reviews yet. If you like to set up and tune a machine yourself, it could be the value pick of the year.

— Will

What I like

  • Rails and ball screws on all axes
  • Closed-loop NEMA 23s
  • Heavy extrusion frame

What I'd watch for

  • Spindle and spoilboard extra
  • Large footprint for a 440 mm bed
  • Very few owner reviews
Spec sheet FoxAlien XE-Ultra Core
Work area (X × Y × Z)440 × 440 × 120 mm
17.3 × 17.3 × 4.7 in
SpindleBring your own — router or VFD
DriveBall screw (16 mm)
Linear motionHG-15 linear rails
FrameAluminum extrusion (46 × 80 mm)
EnclosureNo
Tool changerManual
Controller32-bit, closed-loop NEMA 23
SoftwareGRBL senders
MetalAluminum, comfortably
Footprint40 × 40 in
Released2026