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Product Description

FREE Shipping! 

Use code SHIPFREE at check out to remove $80.00 from shipping charges (free to most the US) can be applied to International orders as well! 

What is an OX?

An OX is a CNC (Computer Numerical Control) cutting machine used for cutting various hard materials, such as wood, composites, aluminum, plastics, and foams. So instead of routing your material by hand, a CNC router allows the tool path to be controlled via CNC and you get to sit back and watch the magic happen while your machine performs the grunt work.

Why do I need one of these machines?

If you are a maker, hobbyist, crafter, or just a “tinkerer”, then this machine is for you! His and hers projects combine to bring a fun, money-making experience to your household and/or workplace. From furniture, sign making, and home décor to musical instruments, prototypes, and RC parts, the sky is the limit to what you can create!

What do I need for this build?

Spoiler board, USB cable, and a computer (Raspberry Pi can be used).

Assembly tools included. No drilling, tapping, or soldering required.

What kind of extras can you add to the OX?

Build an awesome control box yourself on your OX cnc machine. See more detail here as well watch the machine in action. 

A dust boot is out being beta tested and will be offered soon. There is also a way to add a MW laser attachment coming very soon. Files will be made available as well for these and can be made on the OX. UPDATE 2/26/2018 Many dust boots are in the wild with different builders. We are still waiting to confirm that there are no other design changes needed.

A great add to the cart is the end mill starter set, these all fit the OX directly and provide expanded abilities from the start. 

With all of the CNC Routers in the market today; why buy an OX or R7 from SMW3D? 


Another advantage to the OX system, this is fully open source and expandable and hackable. The frame and linear systems are made form OpenBuilds products, this means there are a multitude of variations that can be added and modified with direct bolt-on items.


Yet another reason to go with the SMW3D OX is software. You are not tied to us via one software, we use open source software to communicate with the machine, you have choices such as Chilipeppr, CNC.js, bCNC, and others. These are all free to use and download. Don't get locked into one limited program.


This build a direct descendant of Mark Carew's awesome OX CNC build. 

The build instructions can be found here.  

Please note dust boot and laser mount is not included with the order. The product will be offered in February 2018. (Dust boots shipped in January we are still awaiting feedback) 





1. What exactly has been revised from the previous machine build?

Answer - There have been several changes based on feedback over the years and some items we just never really liked about our kit. All kits come with machined spindle clamps, full wiring that does not require the builder to solder connections, no drilling and tapping is required, a new size was offered(1500 x 1500), homing switches were added, spindle speed control is standard, entire electrical system runs on 48VDC and can be powered by 100 or 220VAC, controller became standard with loaded profile for the build, all wiring provided is shielded, X and Y cable chains are now standard, and a few other small changes. All in all this brings a very sturdy and complete kit to the table.


2. What else will I need after I build this machine and hook up my computer?

Answer - The controller is a GRBL based controller, you will need to speak to the controller somehow. This is done through a variety of different programs, such as bCNC, CNC.js, chillipeppr, and a few others are available. Best of all they are free to download and use. Most of these programs will work on a RaspberryPi. 


3. Is there a lead time on the build? 

Answer - The lead time is based on volume, we typically have a kit shipped in 6 business days. 


4. Is the CamBam software above required?

No, this is an awesome CAM program that changes your drawing (DXF file) into gcode, there are free to download options out there.


5. How do I use this machine?

It is actually a lot easier than most believe it will be. Understand the whole scope by reading this:blog post.


6. Does this kit include stepper motors, controller, wire, power supply, and spindle. 

Yes, the kit includes Nema 23 stepper motors, an M1 GRBL controller, wire to connect everything, 48VDC power supply (even the cable to plug the power supply into the wall) and a 400w spindle.


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Product Reviews

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Showing reviews 1-10 of 32 | Next

  1. Great CNC kit and support

    Posted by on Mar 7th 2018

    Ordered the kit and when it arrived had some dings in the box and one piece of aluminum was dented. A replacement was promptly sent. Instead of self tapping screws opted to tap the extrusions for cap screws, otherwise assembly per instructions. Attempted to use Chillipeppr with no luck getting communication established. Sent an email and got reply with links to software (CNC.js) and installation video. After that things were in motion and ready to do some cutting.

  2. Outstanding product overall, only a couple issues

    Posted by on Feb 22nd 2018

    Ordered the 1500x1500. Received it in about a week. Unpacked and started to put it together. Found several screws missing and the dust boot was broken. Not the fault of the company that UPS broke it, but I would suggest shipping it separated in the future as it broke at the connection points. Good communication from the company and they shipped the missing screws and replaced the dust boot. I had to modify the right gantry plate a little as the holes for the eccentric spacers was not drilled wide enough to accept them. All in all, the build went pretty smooth and the instructions were adequate. Some things could be made clearer in the instructions, but I didn't find them difficult to follow. I opted for the 600W spindle that came with its own power supply and spindle controller. No instructions on how to wire it up, but my electronics background came in handy. I didn't have much luck with Chilipeppr and it could have been my ignorance. I went with bCNC and ultimately installed Linux to run it and it works like a charm. I have cut a number of test pieces and am getting better as I learn the machine. I have been playing with Inkscape, FreeCad,, and Sketchup for creating projects and converting to Gcode. I am having a lot of fun with it. Overall, this is a solid machine and you can tell that Brandon and his team take pride in their work, I wouldn't expect anything less from my fellow Texans!

  3. A couple of revisions short of 5 stars on the instructions

    Posted by on Dec 31st 2017

    Kit is totally complete with everything needed for building a great machine. Need to look at a couple of sequences on the build instructions (ie if you have to do any adjustments to the z axis it requires a total tear down of the machine. This could be eliminated with the bolts being slotted so you could hold with a screwdriver). Would also recommend a different system for securing the belts (have seen bolt on attachments which eliminate the slot nuts which are almost impossible to get in over the belts).

    Overall a great machine. Really need additional instructions on how to set up the software as this is the weakest point.

  4. Everything is going well So far

    Posted by on Nov 17th 2017

    I purchased the largest kit. (Which proved difficult to find a spoil board large enough, found 5'x5' baltic birch) I have not gotten everything together quite yet, but will update further once I do. The instructions that I found on the internet have been quite easy to follow. Although, I feel the pictures were always one step ahead of the instructions. I believe that it would have been nice to have a printed set of the instructions included in the package, but it's not a big issue.

    Hoping to get everything put together this weekend and determine the best way to run the machine. I have been using mach3 with my other machine, but have not found a ton of information to set this machine up on mach3.

  5. Kit well organized and almost total complete

    Posted by on Sep 19th 2017

    Instructions will force you to think at times, but overall a joy to build. Step 6, final step, was missing 11 5mm x 8 screws, but was able to get at Home Depot. Have been collecting material to attach a wiring tray and box, but don't see a problem, except going back for more screws.
    Have not gotten to the software, yet.

  6. New Kit is Outstanding (2)

    Posted by on Aug 15th 2017

    I've finished the wiring and started up and homed the machine. The wiring part of the instructions are more than adequate to do the job. There were a few minor changes for Brandon to make to help clarify the procedure but I was able to do this part without any difficulties. Brandon updated the instructions to a Word document that clarified most of the confusion. All-in-all a great kit that I really enjoyed building. The one hurdle to get over is the marriage of the software (chilipeppr or CNC.js t) to the the M 1 controller. I will be doing a write-up of my build in the forum under revised Ox Build section. I recommend you read that because it will walk you thru this hook-up that Brandon and I did ( mostly Brandon). with either a XP computer or a Windows 7 or 10. You will need to know which windows you have , a win32 or a win 64 processor. Windows properties tells you that. If it is an old computer it is most likely a Win32. Newer most likely a win64. If it doesn't tell you it is a win32. Other operating systems I have no experience with so I can't help you. The two operating programs are free and you will need to pick one. Again in the forum I'll discuss that. One final comment; you can buy a cheaper Chinese machine but it will be no where near the quality and in this arena I've found you need support for whatever you purchase. If you speak Mandarin you can probably get away with cheap. The support you will receive from Brandon's company can be worth the cost of the machine.

  7. New Kit is Outstanding

    Posted by on Aug 8th 2017

    I am one of the early builders of the revised kit that SMW3D have brought out. The packaging, design, and support make this a great kit to build. You can't go wrong if you buy this kit. It is very rigid and I can see why they call it an OX. I have completed the mechanical portion and have completed about half the wiring. The directions are excellent with a lot of pictures. They also include all the tools to build it, but I would highly recommend a power drill for running in the self tapping screws. If you don't have one borrow your neighbors. It is worth a beer. I can't say enough about the support that they provide. Brandon has been great. I will write the balance of the review when I finish but if the rest is like what I have seen I will be impressed. Brandon- outstanding job.

  8. Solid and fun

    Posted by on Jul 5th 2017

    I have been using my Ox for a few weeks now and have been having a blast.

    The installation was pretty easy and the online videos were a great help. The written instructions are OK but people that buy these things aren't helpless and enjoy trying to figure things out.

    I found the 400 watt spindle to be a little small for what I was doing. I ended up going to a De Walt 611 which is great. This is not a hit on the original build it just a statement that I needed more oomph. The 400 watt spindle is smooth as silk and quiet. Getting the motor controller to work properly took a little time and experimentation. There was a cold solder joint on the controller board that gave me a slight headache. The max RPM I can do is 11750, a little short of the 12000 the spindle is capable of. Not sure if there are adjustments I can make to get the extra but it was working fine this way.

    Getting the alignment correct was pretty easy and my work area is very square. Just take your time and double check everything as you go.

    The Y axis side rails are connected to two X axis rails using triangular brackets. Because they are triangular they protrude into the ends of the bed area. While they are not in the cutting area they do prevent attaching a full width board that would extend outwards. I noticed in the pictures of the current OX that they aren't using the triangular brackets now. I replaced my brackets with L shaped brackets made from steel carpenters squares. They allow me to make more connections onto the Y and Y rails and are very solid. My bed now protrudes about 6 inches in front and about 4 in back. Since I frequently cut longer material for signs I like this overhang. I also use 48 inch slotted channels for clamping. I used holes with threaded inserts at first but found that there just wasn't enough flexibility for clamp placement unless I used a bunch of them. Eventually I will probably build a vacuum table.

    I also used angle brackets on the rails between the two Y rails and screwed the whole thing to my table ONCE EVERYTHING WAS TOTALLY SQUARE. Nothing moves.

    This motor wire is not twisted or shielded which may or may not be a problem. There are some people that have seemed to have issues with spurious electricity affecting homing and limit switch operation. My original build used the wires that came with the kit and I didn't have any issues. Since then I have upgraded all my wiring to twisted pair and have no issues.

    I also suggest that you create a central grounding point near your power supplies and attach ground wires to the Y axis, X axis, and Z axis assemblies. Without grounding I was able to measure a DC and AC voltage difference between Y, X, and Z. The grounding took care of this. Make sure that you have a single grounding point and take care not to accidentally create ground loops. A ground loop becomes a sort of coil and a coil can have voltages induced in them from wires running near the coil that have current running through them (like your motors).

    Amazon had a computer case tower with fans (no power supply) for about $25 that I bought and use to house all my electronics. This works wonderfully and I have my central grounding bus in the chassis connected directly to the ground from my 120 volt input line. Some people mount the spindle controller directly to the Z axis but I placed this into the chassis and send the two wires from the chassis to the spindle. Works great and keeps the Z axis assembly a little lighter and cleaner looking.

    I also bought the TinyG and use Chillipeppr to control the Ox. I have some issues with the TinyG at times and have to be careful. Sometimes what I see in Chillipeppr is not what is actually happening with the controller. I am figuring this out as I go but have to be careful. This has probably been the biggest learning curve for me. I am actually thinking about going to a different controller.

    Chillipeppr is pretty good and it is free. The support for the product is quick and always helpful. If you are into programming you can modify Chillipeppr to what ever you want.

    The support from SMW3D was great. My original order included the wrong power supply for the spindle they sent and they sent me the replacement spindle immediately. Since it takes awhile to build the OX there was no delay.

    I am quite happy with the product and am always futzing around with it trying to improve things. (like the brackets and wiring).

    For the most part the OX is large enough but I will eventually increase the Y axis a lot and the X a little. I will likely go to the C beam on the Y or double up on the regular V slot. I will also directly attach the Y axis to the table.

    As you get into this CNC stuff you will assuredly see things that can be done better or things that you can add. If you use a De Walt 611 it will blow dust and chips all over the place because the 611 blows air toward the bit. It can really put a lot of junk into your belt channels and throw stuff out the front of the machine. A lot of people buy or fabricate a dust shoe with a vacuum attachment, which I have done. This makes a world of difference. If you use the normal spindle that comes with the OX this isn't such a big issue. Some people make a deflector that forces the blowing air upwards but this has a tendency to reduce the area near the collet.

    I can honestly say that I really like the OX and am having a great time with it. Every day is a learning experience and that is probably the best part.

    Would I recommend this to a friend? Yes I would and I would suggest that they upgrade the wheels, belts, and spindle in the beginning. I would like to see SMW3D add an upgrade to better wiring as well. However, the wiring is easy to fix with a trip to Lowes or Home Depot.

    Overall, there is very little negative to say about this product and I'm happy I bought it!

  9. Easy build, great value.

    Posted by on Jun 20th 2017

    My Uncle and I (Buildbotics LLC) built the large format OX together, on film, in about 6 hours. We had a couple of hiccups, like breaking off a tap in one of the holes, but for the most part, things went pretty smoothly. The instructions could be improved but writing instructions is hard. We purchased several of the upgrades which had slightly different build requirements. These differences were not clearly documented. Despite a few deficiencies in the instructions, we are very happy with the results.

    We purchased the OX in order to demonstrate the Buildbotics CNC controller. The machine runs smoothly and we are easily able to hit velocities of up 56k mm/min (2.2k in/min) with the stock 24v power supply and NEMA 23 motors. We got it all on video. Look for this and more in our upcoming Kickstarter campaign.

    A special thank you to the SMW3D crew for making sure we got the parts in plenty of time for our video shoot. Thanks and keep up the great work.

  10. Great product.

    Posted by on Jan 8th 2017

    This is a great product. It comes with everything you need to start a project EXCEPT a router bit, I assumed it came with at least a cheap 1/8 bit, I was wrong. I would recommend buying some limit switches but that's not a must. Unless you are having all your components real close to the OX (like 1 foot) you HAVE TO buy more wire. I set up my tinyg and PWM about 6 feet away and it took 30' of additional 22-4 wire. My only big complaint is that the directions aren't very clear, it's been brought up in other reviews and I have to agree completely. Do yourself a favor and file down the drop in t-nuts in half if you upgrade to gt3 belts otherwise It just won't fit and make sure to put in 4 t-nuts on your z axis before you put on your bottom plate. The instructions don't meantion anything about it until you need to put on the spindle then you have to undo what you just did just to put on the included regular t-nuts (should have been drop in t-nuts). Last thing is there is no info on how to wire this up or what programs to use. YouTube "Setup and overview ox". It's 4 videos from a guy and gives you plenty of info to get you started.

Showing reviews 1-10 of 32 | Next

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