Apparently inconsistent behavior in for loop:

In the attached code, if I set the loop on line 440 to [39:39] or [40:40] it
produces geometry on a F6 render, but [39:40] does not.  Am I missing
something?

roof.scad <http://forum.openscad.org/file/t2140/roof.scad>  



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> On Mar 24, 2018, at 11:39 AM, NateTG <[hidden email]> wrote:
>
> In the attached code, if I set the loop on line 440 to [39:39] or [40:40] it
> produces geometry on a F6 render, but [39:40] does not.  Am I missing
> something?
>
Looks like CGAL complains about the union.
If you manage to isolate this into a minimal example with only those two objects, that would be a great bug report to submit to https://github.com/openscad/openscad/issues

 -Marius


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