I tried to import 2 different stl files and I get the same error message with both I have tried the troubleshooting guides listed here https://github.com/openscad/openscad/issues/13 http://forum.openscad.org/STL-won-t-render-in-CGAL-td2677.html#a2699 XY_resonance_1.stl <http://forum.openscad.org/file/n10951/XY_resonance_1.stl> Here is the code import("C:\Users\alec\Desktop\XY_resonance_1.0mm_walls.stl"); F5 gives me this error message "Saved backup file: C:/Users/digital/Documents/OpenSCAD/backups/unsaved-backup-gqHp3248.scad Compiling design (CSG Tree generation)... Compiling design (CSG Products generation)... ERROR: CSG generation failed! (no top level object found) PolySets in cache: 2 PolySet cache size in bytes: 0 CGAL Polyhedrons in cache: 9 CGAL cache size in bytes: 4175648" F6 gives me this error message "Saved backup file: C:/Users/alec/Documents/OpenSCAD/backups/unsaved-backup-gqHp3248.scad Compiling design (CSG Tree generation)... Compiling design (CSG Products generation)... ERROR: CSG generation failed! (no top level object found) PolySets in cache: 2 PolySet cache size in bytes: 0 CGAL Polyhedrons in cache: 9 CGAL cache size in bytes: 4175648" -- View this message in context: http://forum.openscad.org/can-t-import-stl-file-no-top-level-object-found-tp10951.html Sent from the OpenSCAD mailing list archive at Nabble.com.

Maybe the second dot in your file name throughs OpenSCAD off. The extension is used to decide between .stl and .dxf(?) import. 2015-01-07 19:23 GMT+01:00 digital <aklee42@neo.tamu.edu>: > I tried to import 2 different stl files and I get the same error message > with > both > > I have tried the troubleshooting guides listed here > https://github.com/openscad/openscad/issues/13 > http://forum.openscad.org/STL-won-t-render-in-CGAL-td2677.html#a2699 > XY_resonance_1.stl > <http://forum.openscad.org/file/n10951/XY_resonance_1.stl> > > Here is the code > import("C:\Users\alec\Desktop\XY_resonance_1.0mm_walls.stl"); > > > > F5 gives me this error message > "Saved backup file: > C:/Users/digital/Documents/OpenSCAD/backups/unsaved-backup-gqHp3248.scad > Compiling design (CSG Tree generation)... > Compiling design (CSG Products generation)... > ERROR: CSG generation failed! (no top level object found) > PolySets in cache: 2 > PolySet cache size in bytes: 0 > CGAL Polyhedrons in cache: 9 > CGAL cache size in bytes: 4175648" > > F6 gives me this error message > "Saved backup file: > C:/Users/alec/Documents/OpenSCAD/backups/unsaved-backup-gqHp3248.scad > Compiling design (CSG Tree generation)... > Compiling design (CSG Products generation)... > ERROR: CSG generation failed! (no top level object found) > PolySets in cache: 2 > PolySet cache size in bytes: 0 > CGAL Polyhedrons in cache: 9 > CGAL cache size in bytes: 4175648" > > > > -- > View this message in context: > http://forum.openscad.org/can-t-import-stl-file-no-top-level-object-found-tp10951.html > Sent from the OpenSCAD mailing list archive at Nabble.com. > > _______________________________________________ > OpenSCAD mailing list > Discuss@lists.openscad.org > http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org > -- stempeldergeschichte@googlemail.com <karsten@rohrbach.de> P.S. Falls meine E-Mail kürzer ausfällt als Dir angenehm ist: Ich probiere gerade aus kurze Antworten statt gar keine Antworten zu schreiben. Wenn Du gerne mehr lesen möchtest, dann lass es mich bitte wissen. P.S. In case my e-mail is shorter than you enjoy: I am currently trying short replies instead of no replies at all. Please let me know, if you like to read more. Enjoy!

OpenSCAD <http://www.openscad.org> version 2014.06.29 troughs an error if it cant find the file. Maybe your using an old version? 2015-01-07 20:26 GMT+01:00 Peter Falke <stempeldergeschichte@googlemail.com> : > Maybe the second dot in your file name throughs OpenSCAD off. > The extension is used to decide between .stl and .dxf(?) import. > > > 2015-01-07 19:23 GMT+01:00 digital <aklee42@neo.tamu.edu>: > >> I tried to import 2 different stl files and I get the same error message >> with >> both >> >> I have tried the troubleshooting guides listed here >> https://github.com/openscad/openscad/issues/13 >> http://forum.openscad.org/STL-won-t-render-in-CGAL-td2677.html#a2699 >> XY_resonance_1.stl >> <http://forum.openscad.org/file/n10951/XY_resonance_1.stl> >> >> Here is the code >> import("C:\Users\alec\Desktop\XY_resonance_1.0mm_walls.stl"); >> >> >> >> F5 gives me this error message >> "Saved backup file: >> C:/Users/digital/Documents/OpenSCAD/backups/unsaved-backup-gqHp3248.scad >> Compiling design (CSG Tree generation)... >> Compiling design (CSG Products generation)... >> ERROR: CSG generation failed! (no top level object found) >> PolySets in cache: 2 >> PolySet cache size in bytes: 0 >> CGAL Polyhedrons in cache: 9 >> CGAL cache size in bytes: 4175648" >> >> F6 gives me this error message >> "Saved backup file: >> C:/Users/alec/Documents/OpenSCAD/backups/unsaved-backup-gqHp3248.scad >> Compiling design (CSG Tree generation)... >> Compiling design (CSG Products generation)... >> ERROR: CSG generation failed! (no top level object found) >> PolySets in cache: 2 >> PolySet cache size in bytes: 0 >> CGAL Polyhedrons in cache: 9 >> CGAL cache size in bytes: 4175648" >> >> >> >> -- >> View this message in context: >> http://forum.openscad.org/can-t-import-stl-file-no-top-level-object-found-tp10951.html >> Sent from the OpenSCAD mailing list archive at Nabble.com. >> >> _______________________________________________ >> OpenSCAD mailing list >> Discuss@lists.openscad.org >> http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org >> > > > > -- > stempeldergeschichte@googlemail.com <karsten@rohrbach.de> > > P.S. Falls meine E-Mail kürzer ausfällt als Dir angenehm ist: > Ich probiere gerade aus kurze Antworten statt gar keine Antworten zu > schreiben. > Wenn Du gerne mehr lesen möchtest, dann lass es mich bitte wissen. > > P.S. In case my e-mail is shorter than you enjoy: > I am currently trying short replies instead of no replies at all. > Please let me know, if you like to read more. > > Enjoy! > -- stempeldergeschichte@googlemail.com <karsten@rohrbach.de> P.S. Falls meine E-Mail kürzer ausfällt als Dir angenehm ist: Ich probiere gerade aus kurze Antworten statt gar keine Antworten zu schreiben. Wenn Du gerne mehr lesen möchtest, dann lass es mich bitte wissen. P.S. In case my e-mail is shorter than you enjoy: I am currently trying short replies instead of no replies at all. Please let me know, if you like to read more. Enjoy!

Thanks for the reply Peter. I dragged and dropped the stl file and that worked. For some reason, typing it in does not. <shrugs> -- View this message in context: http://forum.openscad.org/can-t-import-stl-file-no-top-level-object-found-tp10951p10955.html Sent from the OpenSCAD mailing list archive at Nabble.com.