Michael

@trivalik upload the "fixed" STL, I'll have a look. But if you get that error, 99.905% bad STL.

As Nophead said, it was not totally fixed. It did fix a couple of holes and a degenerate face. But two areas of self-intersections persist. > Thats why I ask...

Pink = bad. Pink is inverted triangles, ie the triangles inside face is inverted and pointing outside the solid. If yuo just want to print it via a slicer to...

> But render with F6 works now If you add a cube(1); it will likely fail. If you just F5/F6 the import() without another operation, like difference(), CGAL does not...

Bed time now. I need to copy stuff to another box to get the thrown-together view (due to VMs). Tomorrow. But. ``` // When working on CGAL Errors, // you...

Is it perhaps text() usage that triggers it. It produces a brief pop-up as it builds the font cache, which takes 'no' time when nothing new needs doing.

Nothing immediately stands out. Is anything in Event Viewer? Try setting the launcher in Regedit:  which doesn't try to do anything graphical AFAIK. Also try taking a backup of...

> Does this warrant further investigation, or should I close out since my original issue is resolved? Leave it open. Given that OpenSCAD saves that info, it shouldn't save something...

@tmilloff what is your screen resolution?

@tmilloff do you ever use a 2nd monitor, perhaps you had the OpenSCAD window positioned outside the main display?