Mach3 Addon

  • Mach3 3D printer Add-on
I am very happy to announce that I have written an Add-on for mach3 which will allow you to use mach3 as a 3D printer Software. You will use mach3 software both for slicng the STL file and printing directly.
Please watch video in full screen…
Installation Notes:
– Please download the setup1.3.exe and install (may request administrator privilege. The user name and password is your own administrator user name and password)
– It includes Slic3r inside (
– It requires a Windows machine running .net Framework. You can download the .net Framework yourself here).
– You can change Slic3r settings by editing “gnexlab_config.ini” Which is inside Slic3r directory. You can also open it with Slic3r.exe in order to modify it. Do not forget to save it on the “gnexlab_config.ini” file.
Tested on winXP and Win7 systems.
 Version Updates:   ver1.3 (Slic3r inside)– Packed with Slic3r 0.7.1

-*-*-*–*-*-Download 1.3 Latest Version Here(Slic3r inside)-*-*-*-*-*-*-

 Version Updates:   ver1.2 (Skeinforge inside)– Post g-code to mach3 button code updated
– Exit button removed
– Packed with Sfact V2.0 11.08.01 (Easy to use skeinforge)

-*-*-*–*-*-Download 1.2 Version Here(Skeinforge inside)-*-*-*-*-*-*-

191 thoughts on “Mach3 Addon”

  1. Ray Lindholm said:


    Also, I do get slic3r code for mach3, but when I run it, the machine chatters as if it starts and stops at every point along the path. My a axis does work and spools the filament.


  2. Ray Lindholm said:

    In the video, I saw you install to mach3 directory and not the mach3/addin. I put mine in the mach3/addin. Could this be an issue?


  3. Ray Lindholm said:

    I am getting a missing line 24 error from your addin in my copy of mach3 on a second machine,

    Any ideas?


  4. When trying to bring up a stl file I get “ is no longer working” I can hit OK then it goes to my computer, but it doesnt see my network where i keep my machining files. I can see the network in my other machine software, and when I go to My Computer from the desktop, is there a bug in the wizard?

  5. Raymond lindholm said:

    perhaps an install video with windows 10 would help. I still have not been able to get you software addon to work.

    • I did not have a windows 10 machine at the moment, but the community may help you on the subject. As soon as I have a w10 setup I will do this for you.

      • Raymond lindholm said:

        Thank you,

        I have built 6 extruder kits for cnc table use, but without a working mach3 addon, they are useless.

      • Wow sounds great setup can you share some pictures with us?

      • Raymond lindholm said:

        SureI can share photos, but it would help if I could move the machine with the kit working. which it doesn’t do yet.

  6. I got it to run, I get the gcode but it is setting speeds at 3000, 2600, 1900, how do I change setting to get the right speeds when it makes the code. I have Mach3 set at 40ipm. I still need to get the Extruder stepper installed so I can chk that speed also.

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