This F5 shows me the negation of the original. Definitely did not expect that... Still it gave me a point of view and I shall explore. Maybe I _can_ eliminate some errors. Thanx. BTW, the view/thrown-together, just shows me the convex hull, not too revealing.... the view/OpenCSG is the most revealing one... On 01/30/2015 08:38 PM, MichaelAtOz wrote: > I have yet to look at your code in detail, but do a F5, then > view/thrown-together, the triangles are inside out. > > > > ----- > Unless specifically shown otherwise above, my contribution is in the Public Domain; To the extent possible under law, I have waived all copyright and related or neighbouring rights to this work. This work is published globally via the internet. :) Inclusion of works of previous authors is not included in the above. > > The TPP is no simple “trade agreement.” Fight it! http://www.ourfairdeal.org/ > -- > View this message in context: http://forum.openscad.org/Fwd-Help-us-resolve-issues-with-models-in-order-882138-tp11348p11349.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