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About the developer

265 Stars 136 Forks GNU General Public License v2.0 2.5K Commits 5 Opened issues


Software for plotters - especially the wall-hanging polargraph also called Makelangelo.

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Makelangelo Software

Makelangelo Software is a Java program that prepares art for CNC plotters. It is especially designed for the Makelangelo Robot.

It pairs really well with Marlin 3D printer firmware, the code in the brain of the robot that receives instructions and moves the motors.


Where to go from here

On your own Reading our friendly manuals. Pictures and arrows and everything.

Together and join our Discord group


Steps to get started:

  1. Install The latest OpenJDK (java software)
  2. Grab a nightly build and run it directly or Install Makelangelo Software App from the source

Then you should be able to run the application.

1. Install The latest OpenJDK

Get the Open Java Development Kit (OpenJDK) The minimum required version 17.

  • OSX: Unarchive the OpenJDK tar, and place the resulting folder (i.e. jdk-17.jdk) into your
    folder since this is the standard and expected location of JDK installs. You can also install anywhere you want in reality.
  • Windows: untested
  • Linux: untested

2. Grab a nightly build

Download a nightly build corresponding to the latest commit from master. Depending on your OS, double clic on the file starting with

or run the following command:
java -jar makelangelo-nightly-XXXXX.jar

🎉 Application should now launch.

2 bis. Install Makelangelo Software App from the source

  • Goto
  • Download this zip file: and extract it. Note the folder for later.

2 options are available for building the application: - with Eclipse: fully graphical but long - with Maven in a console: fast and reliable

Eclipse IDE building

  • Go to Eclipse website:, choose "Eclipse IDE for Java developers" and install the latest version.
  • Launch '"clipse IDE" when done and go to File > Import > Maven > Existing Maven Projects > Next > (folder from previous step) > Finish
  • If you see the "Welcome!" tab, close it.
  • select Run > Debug As > Java Application
  • select "Makelangelo - com.marginallyclever.makelangelo" and click OK. (It should be the top of the list)
  • Wait while the progress bar in the bottom right fills up. This is a one time thing while it installs other dependencies and packages and puts everything together.
  • "Errors exist...Proceed with launch?" Select Proceed.

🎉 Application should now launch.

Console building

  • Open a terminal emulator (
    on Windows,
    on macOS or GNU/Linux) in the extracted folder.
  • Build the application with
    (the first time, it downloads a lot of files):
    • ./mvnw clean install
      on macOS or GNU/Linux
    • mvnw.cmd clean install
      on Windows
  • in the
    folder, launch the jar file with a name like :
    • double click on it OR
    • in the previously opened console, run
      java -jar target/Makelangelo*-with-dependencies.jar

🎉 Application should now launch.

Thank you

Did this program help you? Like Open Source software? Want to show support? Donate what you can to help speed up development at

Makelangelo is derived from the work of Paul Fisher. It is largely inspired by Hektor by Jürg Lehni and Uli Franke.

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