OX CNC Router Kit | Ooznest Hobby CNC Machine

OX CNC Mechanical Kit

Ex Tax: £541.67
Brand: Ooznest
Availability: In Stock

Available Options

* Size (X x Ymm):
* V-Slot Colour:
* Motors:

OX CNC Mechanical Kit

Lead Time

There is currently a 18 working day lead time.

We are out of stock of the 1500x1500mm Clear & Black Machine.


About our OX CNC Router Kit

The Ooznest OX CNC Router Kit is based on the OX CNC Machine designed by Mark Carew of Openbuilds (www.openbuilds.com/builds/openbuilds-ox-cnc-machine), and incorporates many upgrades from the Openbuilds community. Mark Carew based the OX on the Routy, which was in turn based on the Shapeoko.

The OX hobby CNC machine makes full use of the excellent V-Slot Extrusion system. The Y-Axis uses the biggest size available, 20 x 80mm, and the X-Axis has Dual 20 x 60mm's plus an extra 20 x 40mm for added rigidity. This kit comes in multiple sizes from 500x750mm to 1500 x 1500mm.

Ooznest OX CNC Router kit X-Axis
Ooznest OX Hobby CNC Machine Y-Axis

Our OX CNC kit uses a total of 30 Xtreme Solid V Wheels. These are manufactured from super hard polycarbonate, this reduces wheel compression, and keeps wear to a minimum.

The plate designs used on our hobby CNC machine are based on the originals by Mark Carew. However we have added our own touches to increase the performance and design of the machine. On the Y-Axis we have added an inner wheel brace, which reduces the movement of the wheels, and also helps to shield the wheels from cutting debris. Plates have also been added or modified to completely cover any bare extrusion ends. All the plates supplied with the kit are manufactured from 6082 Aluminium. The plates are then shot blast and anodized in matt black, to give a very clean finish.

Ease of Assembly

Ooznest OX CNC Machine Instruction Manual

Mark Carew made some excellent build videos for the original OX CNC machine, these videos cover the full mechanical build and provide a first person view into the construction of the original OX.

These videos alone could have been enough to complete our kit. However we wanted to make it even easier. Therefore we have made a complete written instruction manual, with IKEA'eske assembly diagrams. Using our written manual with Mark's videos, should make the build a breeze.

If you have any problems along the way, we are available by phone or email to help you. Also the Openbuilds website and forum (www.openbuilds.com) is a invaluable resource for information and assistance. We also have our own Openbuilds forum thread running for people to discuss this CNC kit, please check it out www.openbuilds.com/ooznest-ox-cnc-machine

What is in the Kit

This CNC Router kit includes everything needed to complete the mechanical portion of the OX CNC Machine, this includes four NEMA23 Stepper Motors and GT3 Pulley's/Belt. The main components not included, which are needed to get our OX Kit running and cutting, is a power supply, controller board, and a Spindle. Note the MDF Spoiler Board is not included in this kit.

All the V-Slot Rails are supplied pre-cut and tapped. The Z-Axis ACME Lead screw is cut to the required length, and slightly filed, to insure a snug fit with the 688zz bearings.

The 500x750mm comes with 1 spoiler board support. Sizes with an X Axis of 750mm come with 2 spoiler board supports. Sizes with an X Axis of 1000mm come with 3 spoiler board supports. Sizes with an X Axis of 1500mm come with 4 spoiler board supports

To complete the build of this Hobby CNC machine, only 4 Allen Keys & 2 Spanners are needed!

Ooznest OX CNC Kit

Technical Specification

Footprint (X x Ymm)
Max Travel Distances
1: 500x756, 2: 750x756, 3: 750x1006, 4: 1000x1006, 5: 1000x1506, 6: 1500x1506
(X x Ymm) 1: 320 x 525, 2: 570x525, 3: 570x775, 4: 820x775, 5: 820x1275, 6: 1320x1275
(Z) 65mm, please see tab 'Z Travel Explained' above, for the difference between Z travel
and Cutting depth.
6082 CNC Machined Aluminium Plates with V-Slot Extrusions.
Easily, with larger V-Slot Extrusion lengths.
123.4N.cm (177.5oz.in) NEMA23 Stepper Motors X,Y & Z.
X/Y - GT3 Belts (3mm Pitch)
Z - 8mm Tr8*8 4 Start ACME Lead Screw


We would like to give a big thank you to Mark Carew and Openbuilds part store for designing an excellent Hobby CNC Machine and V-Slot system, which they have allowed to be freely shared, remixed, and sold. We would also like to thank the Openbuilds and wider community for sharing their upgrades to make the OX even better.

To clarify the Z Travel distance, this is not the max cutting depth. Z travel is the distance downwards it can travel before hitting the spoiler board supports.

This kit has a Z travel of 69mm, if you had a 12mm spoiler board, this will reduce the Z travel to 57mm. In this case 57mm is maximum thickness of material that will fit on the machine.

To calculate the max cutting depth for a chosen piece of material it is:

Max Cutting Depth = Z travel – Material Thickness

For instance a setup with a 12mm spoiler board, the max Z travel is 57mm, if we wanted to cut into a material 30mm thick the max cutting depth would be:

Max Cutting Depth = 57 – 30 = 27mm

This means with a 30mm piece of material we would not be able to cut the whole way through.

The max thickness that can be cut the whole way through is half the Z travel. So with a Z travel of 57mm, we could cut the whole way through a piece of material 28.5mm thick.

06/03/2016 - Update kit to use an Anti-Backlash ACME Nut Block, Manual updated accordingly.

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