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KlayOut mAsk Layout Automation (KOALA) provides a user-friendly, easy-to-use interface for (photo)mask design.

Project description


KLayout is an opensource and powerful mask design software. Thanks to its Ruby and Python APIs, programming extensions are available to the users. KlayOut mAsk Layout Automation (KOALA) simplifies the creation of new mask layouts by providing a higher-level interface and easy-to-use, pre-implemented designs.

  • Documentation regarding the classes and methods implemented in KOALA can be found here
  • More information on KOALA and how KLayout works can be found in our wiki
  • Example scripts can be found in our example folder


  • Download and install Anaconda
  • Open the Anaconda Prompt (Anaconda3)
  • Create a new environment specific for KOALA (for example, naming it "koala") by typing conda create --name koala pip and accept by typing y
  • Type conda activate koala to make the new environment active
  • Type pip install koala to install KOALA and all its dependencies
  • (Optional) Install an Integrated Development Environment (IDE) for python. We recommend you to install the community version of PyCharm.
    • Open PyCharm, click at the bottom right to change your interpreter, and click on Add interpreter
    • On the menu, click on Conda Environment and select the recently created KOALA environment. Your interpreter is now the one from the KOALA environment


This repository has been created by Imke Krauhausen, Charles-Théophile Coen, and Simone Spolaor. We are responsible for the development and maintenance of KOALA. If you wish to contribute, please contact us by email!

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