There is an issue[1] about binary STL files exported from SketchUp showing up as black when using the Mac preview app.
I wanted to ask if someone who uses Mac could help confirm and troubleshoot the issue. It would be nice have SketchUp binary STL files look nicer in the preview.
Thanks.
- Binary preview is solid black in macOS (but ASCII is ok) · Issue #163 · SketchUp/sketchup-stl · GitHub
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the binary cube example downloadable from here, shows in quicklook preview the same as an ascii stl…
STLB Cube:
the waves are from the gif, not seen in Finder…
john
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Thanks to @john_drivenupthewall for identifying the problem. It turned out we were not writing the face normals to the binary stl file.
Made a few corrections - would some kind mac user(s) please make sure this file appears properly (not black) in Mac’s quick look preview?
su-cube-1mm.stl (684 Bytes)
Thanks John. And you too, John.