[OpenSCAD] vanishing polyhedra on difference?

A. Craig West acraigwest at gmail.com
Sat Jul 20 11:50:56 EDT 2019


I did some experimenting with that, as long as it is consistent, openscad
does the right thing. Not sure if the two polyhedra need to be consistent
with each other though

On Sat, 20 Jul 2019, 11:48 Torsten Paul, <Torsten.Paul at gmx.de> wrote:

> On 20.07.19 17:32, Bruno Boettcher wrote:
> > if you activate the difference on line 36, everything vanishes :(
> > why?? (same for union BTW....)
>
> The polyhedron is inside out, all faces have the points listed
> in reverse order.
>
> See:
> https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/FAQ#Why_is_my_model_showing_up_with_F5_but_not_F6
> ?
>
> ciao,
>   Torsten.
>
>
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