(2017-01-11, 19:07)Philippe Hurbain Wrote:Quote:Please note that as far as I know, the faces weren't transparent before, but missing entirely.Completely missing indeed. I compared 4.1/4.2 stl export text files...
Thank you! Upgrading to 4.2 made the trick. The very strange thing is that the slicer program somehow seems to notice the missing faces, or can it really assume that there must be faces there? It seems very unlikely. Never mind, it's not really important. Problem solved.
Pic: Thermometer house front printed from STL with missing(?)/invisable polygons.