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Vortex Rotary Axis

(14 customer reviews)


The Vortex Rotary Axis is a plug-and-play add-on to add rotary axis capabilities to your LongMill.

This item is expected to ship 3-7 business days from date of order.

The Vortex is a compact, precise, high-quality rotary axis we designed from scratch, with direct integration into gSender. Just like all our products, the Vortex comes with high-quality tutorials, support, and resources to make it easy to install, learn, and use your rotary axis.


The Vortex Rotary Axis is an exciting new plug-and-play rotary axis system for the LongMill.

Each system comes with:

You will need to provide:

  • A 12×30, 30×30, or 48×30 LongMill MK1 or MK2
  • Rotary Axis compatible CAM software, such as Vectric VCarve DesktopVCarve Pro


Additional information

Weight 19.4 lbs
Dimensions 33 × 6 × 5 in

Product FAQ


What is the difference between the 48in and the 30in versions?

These numbers describe the track length for the rotary axis. Customers should purchase the size that matches the working width of their LongMill.

What is the cutting volume?

Configuration Max Stock Diameter Max Stock Length
30” Rail Kit 101.6mm / 4” 558.8mm / 22”
48” Rail Kit 1016mm / 40”

Note that cutting volume will also depend on your table setup and you may have to modify your table setup to accommodate large pieces of material.

Which machines is the Rotary Axis compatible with? 

The Rotary Axis is designed to be compatible with all versions of the LongMill, with the exception of the LongMill MK1 12×12, due to the track width (however it can be modified to work).

We strongly recommend reading through our resources and documentation for more info about compatibility.

Although users may be able to integrate the Rotary into other hobby CNC machines, we will only guarantee compatibility and support for LongMill users at this time. For more information about machine clearance, CAD models will be published in the future in our resources.

How is the Rotary Axis driven?

In the current configuration, the Rotary Axis uses the X-axis and Z-axis to move along the rotational axis of the material, with the Y-axis drivers disconnected and reconnected to the Rotary Axis motor to provide rotational movement. This means that in this configuration, the system is not a full 4-axis machine, but more of a 2-axis + rotary system. Each kit will come with a switch to toggle 3-axis and rotary-axis modes.

Can I do simultaneous 4th axis machining with the Vortex?

In the future, we are planning to provide full simultaneous 4th-axis motion through the SuperLongBoard, expected to launch at the end of the year (at an added cost).

Does the Rotary Axis come with software?

We’ve implemented gSender to integrate the ability to control, set up, and home the Rotary Axis. Users will need to use or purchase CAM software that supports rotary carving. We recommend VCarve Desktop or VCarve Pro, as this is the software that we primarily use and do testing on.

14 reviews for Vortex Rotary Axis

Based on 14 reviews
Showing 11 of 14 reviews (5 star). See all 14 reviews
  1. Jeff E. (verified owner)

    I have not had a lot of time with it yet but with the time I have spent with it I am very pleased so far!

    (0) (0)
  2. Louis Boulay (verified owner)

    I love my vortex, I had been working with my longmill for just over a year when I ordered the vortex and I’m also a woodturner but I had never tried rotary CNC.
    Assembly instructions are clear and easy to follow especially with the video.
    Sienci originally sent 2 wrong parts but they were quick to answer my suppot ticket. They had already sent the correct parts before I contacted them and they arrived a couple days after the first package.

    So far with the vortex, I’ve made some hardwood dowels, 2 garden gnomes, a Dumbledore wand, a Harry Potter wand, another magic wand, a princess peach and 2 rockets.

    There’s some important limitations to consider when choosing a model to carve that I didn’t fully understand before starting. It cannot cut past the center of the rotary axis and it can’t move on the Y axis while in rotary mode.
    This often means the models would need a bit of hand carving to get them completed.
    For example it didn’t carve all the way between the gnome legs and the hat needed a bit of hand shaping because it was tilted past center.

    Over all I’m learning and having fun. It remains to be seen if I can “turn” a profit with the vortex but I’m working on carving out a slice of the market.

    (0) (0)
  3. Marcel Gagne (verified owner)

    Facile d’assemblage, fonctionne extrêmement bien

    (0) (0)
  4. Craig Hashey (verified owner)

    I have not set up my Vortex yet but, going over the contents of the box it is very well made. Should be setting it up this week.

    (0) (1)
  5. Frank Navarro (verified owner)

    Only used it once to practice but it worked great.

    (0) (0)
  6. James P. (verified owner)

    This thing is well made and easy to assemble. I purchased my 48×30 MK2 in May of 2022. While waiting I took Kyle Ely’s Masters Course in Vcarve and now have moved up to Aspire. The journey continues I purchased the Laser module a few months ago and that was also a great experience. Now on to the Rotary but wait, I just received my PWNCNC 1,5 water cooled spindle to add to my Longmill. You might consider doing a video care and considerations of using spindle of the Longmill using the original longboard vs. Up coming New Longboard. I fully support your products and will recommend them to everyone. Please stay in touch.

    (1) (0)
  7. Charles Huey (verified owner)

    My programming skills are poor but your machines are great, having fun learning how to use them

    (1) (0)
  8. Keith Medas (verified owner)

    Game changer. Epic

    (1) (0)
  9. Doug Moore (verified owner)

    I have not run any programs on the fourth axis yet but the unit itself is solid and there are more and more posts on it’s use.

    (1) (0)
  10. tom perry (verified owner)

    having a lot of fun with it.

    (1) (0)
  11. Terry Brummitt (verified owner)

    I have already made several rotary items with my Vortex and my creativity has exploded when it comes to how I’m able to use it within my projects!!!

    (1) (0)

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