import and export of cad-models and pictures (bitmaps)  
  creation of geometrical objects  
  NC-working, direct and programcontrolled  
  preparation of data (building contours ..)  
  analysis of data  
  all objects can be connected with interactions  
  add-on-programs (plugins)  
  remote control  

  interactively generated geometrical objects or  
  manually generated command texts or by  
  import modules (Dxf, Iges, Step ..) or by  
  data file created by external program or by  
  special import processors (user programs)  

  load models (like HTML - HREF)  
  activate userprograms (plugins)  
  modify the view  
  modify modelparameters dynamically  

  export modules ((Dxf, Iges, Vrml, Svg ..)  
  Standard - ISO - post processor  
  specialized export functions (user programs)  
  the system format APT3D (ASCII text format)  

      The creation and analysis of geometry Objects
      interactive dialogue functions (selections..)
      automatic compiling, link and reload at execution time

     License is GPLv3,
     the complete sourcecode is 100% free and fully documented

     For examples, videos, binary-packages see [gcad3d.org](https://www.gcad3d.org)

     Send bug reports, suggestions for improvements to [email protected]

  for USING-DEVELOPMENT-DOCUMENTATION  
      UPDATE-DEVELOPMENT-DOCUMENTATION