Hi pior, I can't repeat the problem over here.

I followed your steps like this:

> - Creating a 2D drawing in a fresh new session or file



> - Performing a File>Export to .3dm

I selected the circles and used File > Export to a file test.3dm.

> - Opening this newly .3dm file

I used File > Open, and got this result:




So the problem might be something particular to your environment. Do you have any scripts working that might change the display to use fixed colors for curves instead of colors by style as it normally is?

Or do you possibly have multiple styles with the same name and you're using File > Import to open them up instead of File > Open?

- Michael