[giacob]

thas how this glass look in the material editor.. it doesnt seem to be correct to me..

[Mihnea Balta]

This bug shows up if you try to render a material preview or export a MXM file in a new scene before opening the "maxwell render options" dialog. It will be fixed in the next version, but in the mean time the workaround is to simply open the render options once.

Thanks for the report.