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MayoMeshLab
Free

Free and open source.

 Free

Free and open source under the GPL, developed at ISTI-CNR.

Windows, macOS, Linux Windows, macOS, Linux
  • Converts between STEP, IGES, STL and other CAD formats
  • Clip planes, exploded views and measurement
  • A deep set of repair filters: hole filling, noise removal, alignment, decimation and remeshing
  • Converts between most mesh formats, which makes it useful purely as a translator
  • A viewer and converter, not a modelling tool
  • Not a modelling program; you cannot design a part in it
  • The interface exposes hundreds of research filters with little guidance on which to use
Downloadable app Downloadable app
Open source Open source
License not stated License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.