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netfabb Basic is a freeware for handling of files in stl-format. It is not just a mesh viewer but includes an automatic repair and utilizes the same interface as netfabb Professional.

Please note that netfabb Basic is NOT a trial version of netfabb Professional.

netfabb Professional offers a number of powerful additional features to access large files, combine parts, modify original files, optimize & configure mesh quality and to repair files.

Windows 7/8/10


Mac OS X

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System Requirements:


  • For a fluent workflow 512 MB RAM and a 2 GHz Prozessor are recommended.
  • Generally: The bigger and the more complex the 3D file is, the more RAM is required.


  • Improved display with a graphic card that’s compatible with OpenGL 3.X