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Hello everybody,
I wish I could clean the CADfiles directory of anything unwanted as the number of files inside is growing exponentially.
Do I have to proceed by hand or is there a best practice to be able to operate at best?

Thanks a lot to everyone.

Hi Luca,

The CAD directory is a flat directory structure so yes, it can become very cluttered.  My 2 recommendations are:

  • Always save a ZAR of your system so the CAD files will be part of the ZAR.  This way you can delete everything and simply extract the ZAR when you want to re-analyze a system.
  • Use the new Project Directories in the last 1-2 releases of OpticStudio.  The initial release in 21.3 includes all the files in the Objects\CAD Files directory ("Convert to Project Directory" new feature: two issues | Zemax Community).  

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