Thanks Michael! I got it loaded in the Python notebook. In short, "Simplify" on the final mesh did not affect long slivers. (which, reading the description of it... I guess makes sense). https://colab.research.google.com/drive/19mESE_6lNXYgrtAZ5V1-rmrYjXHQaWje if you want to see it. - Cory On 1/28/26 8:40 PM, Cory Cross via Discuss wrote: > Would you be willing to send me the 3mf? I can try to load it in > *Manifold* <https://github.com/elalish/manifold> (not MeshLab) because > I'm wondering if Manifold's Simplify transformation will clean it up. > If so that's something easy for OpenSCAD to do. > > - Cory > > > On 1/28/26 7:59 PM, Michael Marx (spintel) via Discuss wrote: >> >> > Can you try the following: >> >> Export as 3mf, loaded into MeshLab. >> >> Long thin triangles, self-intersections (in orange), no holes (as was >> in the STL). >> >> > can you call Simplify() on it >> >> I don't think so? >> >> ------------------------------------------------------------------------ >> >> *From:*Cory Cross via Discuss [mailto:discuss@lists.openscad.org] >> *Sent:* Thursday, January 29, 2026 2:11 PM >> *To:* Michael Marx (spintel) via Discuss >> *Cc:* Cory Cross >> *Subject:* [OpenSCAD] Re: Manifold - long thin triangles >> >> Can you try the following: >> >> Export as 3mf >> Import into a program using Manifold... somehow? Unfortunately >> https://www.manifoldcad.org does not easily let you add files. >> https://manifoldcad.org/docs/jsuser/functions/importManifold.html >> says there is an import, maybe use some JS fetch to download it from >> a URL? Alternatively, https://github.com/elalish/manifold says >> something about a Python notebook? >> See if it shows the same. >> >> If it's the same or similar, can you call Simplify() on it and see if >> it helps? >> >> On 1/27/26 8:37 PM, Michael Marx (spintel) via Discuss wrote: >> >>> Can Manifold rendering be tweaked? >>> >>> It seems to like very long thin triangles, which historically have >>> been problematic with floating point inaccuracies. IIRC >>> >>> Via Manifold: >>> >>> Via CGAL: >>> >>> >>> >>> _______________________________________________ >>> OpenSCAD mailing list >>> To unsubscribe send an email to discuss-leave@lists.openscad.org >> >> >> _______________________________________________ >> OpenSCAD mailing list >> To unsubscribe send an email todiscuss-leave@lists.openscad.org > > > _______________________________________________ > OpenSCAD mailing list > To unsubscribe send an email todiscuss-leave@lists.openscad.org