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GEO files can be big. This is partly because they are text files (readable in let's say Notepad), but also because they often contain repetitive information (for example, even a tiny facets with default parameters takes about 20 lines to write).

There is also a problem related to this: sending them by email or sharing over Dropbox might result in the browser interpreting the content (ie. displaying the GEO file as a webpage instead of downloading, the email client putting the file content in the email, etc.).

Good news is, because of this uncompact and repetitive behaviour, they are very well compressible. It is not common to have 2% compression ratio, converting a 100MB GEO file to a 2MB GEO7Z file.

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In the Tools / Global Settings menu, you can find a new option: autosave. You can toggle the frequency in minutes, and it is possible to restrict this to only when simulation is running (and when it is assumed that the file save process doesn't interrupt your work).

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In the most recent development version, you can insert TXT, GEO and STL geometry files into your existing geometry. You can even choose between merging them with the current superstructure, or treating them differently. Below is a simple example created by merging 3 files:

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Once the geometry is inserted, you can copy or move it. Rotate, mirror and flip options are coming after the Easter break! Until then, check out the complete changelog or just download it!

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The best way to get to know Molflow+ is to create a simple test pipe and perform some calculations. To do so, use the tutorial:

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If you're stuck at one point, you might find the video tutorial useful. Choose fullscreen and set the quality to 1080p to see the text: