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This free online tool enables the slicing of large scale but simple models to get them ready to be 3D printed. Follow the steps and download the code for your robot or gantry.

Do you have questions about 3D printing? We have the answers.

Down below you can find frequently asked questions. If you have other questions, please contact us. 

  • Why is it free?
    We wanted to help out starting pioneers by removing one of the hurdles standing in the way of printing with a robot or large scale gantry model. There are so many things to worry about and we hope to we can make it a little easier. Additionally, for everyone involved it is also good exposure and it may even generate some business. By share to check out the partner's websites to see the awesome things they do.
  • What materials can be printed?
    The slicer is built to cut a shape into layers and then coordinates. These are then translated to code. This code only tells the machine where it needs to go, so it is fully up to you what material you print with. Recycled plastic and concrete have already been done, but you can print ceramics or foam or chocolate or ice…go crazy.
  • My model won’t upload, what should I do?"
    Check that you have the correct file type. We recommend .stl or .3dm. Check if you file doesn’t exceed the upload limit. If this still doesn’t work uploading it in any other .stl viewer such as If all else fails, please contact us.
  • The print path has errors, what do I do?"
    This slicer is designed to slice relatively simple geometry. Slicing complex shapes requires more experience and often some tweaks in the engine to overcome the challenges of your geometry. If this occurs please contact for slicing help.
  • So cool! How did you add this functionality to your site?
    The answer lies in the experience and expertise of our contributing partner White Lioness. They develop custom scripts and software to bring parametric modelling to the cloud. For more information please contact
  • Does it work on all robot models?
    Currently it only works for ABB Rapid code. I you have a different robot you can still generate the coordinates but you will have to adjust the code. We are working on adding different robots. If you want to help us with this don’t hesitate to contact us. Please email info@slicerXL.xom.
  • The code doesn’t work on my printer. What should I do?
    Unfortunately we cannot slice to your specific printer requirements. It is important that you have some knowledge of coding in order to make you printer run. What we deliver is the coordinates - the rest is up to you. If you do need help with getting your printer running please contact us at
  • Which 3D formats do you support?
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  • What is the difference between this slicer and the other slicers for 3D printing?
    All current 3D slicers work best for small scale 3D plastic printing. This is because the filaments, nozzles and output format are more or less standardized. While this help the compatibility between software and hardware, it could be limiting as the software assumes certain parameters about the printing set-up. Large scale 3D printing varies largely in hardware, size, and material. We aimed at developing a tool that reflects these variables and does a basic geometry slicing. We have integrated the most common requirements of the set-up and dynamics of the materials for large scale print, namely: Print path control: In large scale printing, the print path continuity is an essential factor for success. In our slicer, it is possible to clearly plan and visualize what, where and in what order the machine will print. For example, in this slicer you can adjust the location of the print seam as well as the type of seam. Control points: Another difference is the reduced number of control points for the print path – here, they are only generated where needed. Continuous line: Most machines for large scale 3D printing do not have an integrated Start/Stop extruding function so it is important to plan a continuous line of printing. Small scale desktop plastic printers assume the extrusion can be stopped and restarted again when slicing, resulting in printhead traveling over the already printed geometry. Output format text editor: With our slicer, you have the ability to edit the output. You can export only coordinates of the print path, get the Gcode or customize the output by adding text before and after the coordinates. The last option is particularly useful in exporting code for robot arm set-up when you can add standard information like tool name, speed, and orientation and the slicer would generate out the instructions with your data included in the format. Input format: Most current slicers works best with solid geometries. Here, you can also use surfaces as input. This is particularly useful when the model is made in a non-CAD program such as Rhino, Meshmixer, Blender, etc.
  • This slicer is suitable for 3D printing of what sort of materials?
    Any material that has a layer width and height larger than 1 mm. Such examples are concrete, clay, foam and plastics.
  • Print is collapsing. What can I do?
    The quality of the print depends on many factors, such as air temperature, humidity and material properties. Try adjusting the model, reduce overhangs, speed, or if possible, the material itself. If you would like to consult on possibilities to improve your print strategy, set-up or mixture, make sure you contact Vertico.
  • Can I slice multiple objects?
    Unfortunately, it is not possible at the moment. We advise to slice each object separately. If printing multiple objects simultaneously is crucial to your project, make sure you contact us and we could advise on further steps.
  • There is an issue with the website. What should I do?
    Thanks for helping us improve the site and keeping it running. Please send us a quick email detailing the problem.
  • Can the slicer generate infill?
    The slicer is still Work In Progress and we haven’t included it yet as most projects aim at printing the shell and pouring concrete where infill is needed. Another factor why it is not included, is the complexity of generating seamless filling. If the printing set-up does not have integrated Extrusion Start/Stop functionality, the infill must be done with a single continuous line which is not possible for all geometries. However, if it is crucial to 3D print the infill, make sure you contact us and we could advise on further steps.
  • I have a complex model to slice. Can I get assistance?
    Certainly! If you have research related questions, we advise you contact us at Saxion Research group Industrial Design. For production related questions, such actual 3D printing, hardware and – Vertico, for developing online parametric tools – White Lioness.
  • Problems with offset?
    Try changing the offset value in the range of +/- 3 mm. If you are still unsatisfied with the results, make sure you contact us and we could advise on further steps.
  • I am using a robot arm, can I get the coordinate points directly translated to the robot arm language (for example RapidCode for ABB robots, KRL for KUKA)?"
    Currently you can edit the format of the output – add text before and after the coordinates.

Who can I contact? 

If you have research-related questions, we advise you to contact us at Saxion Research group Industrial Design. For production-related questions, such as actual 3D printing, hardware, and material contact Vertico, for developing online parametric tools  reach out to

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