[OpenSCAD] Mirror, linear_extrude and importing an stl

Ronaldo Persiano rcmpersiano at gmail.com
Mon Oct 31 09:37:51 EDT 2016


This is definitively a bug. If you insert a translate([0,dy,0]) just before
the linear_extrude of your code, the issue is observed just for dy between
0 and 0.5.

2016-10-31 7:10 GMT-02:00 Richard Bedwell <richard_bedwell at hotmail.com>:

> That doesn't seem to work for me, though I'm not very experienced with
> meshlab.  I've played about with the issue.
>
>
> 1) issue exists if mirror is replaced by translate
>
> 2) issue goes away if the intersecting cube is split into 2 separate cubes
> - as long as they don't touch or overlap.
>
>
> ------------------------------
> *From:* Discuss <discuss-bounces at lists.openscad.org> on behalf of Ronaldo
> <rcmpersiano at gmail.com>
> *Sent:* 30 October 2016 14:01:07
> *To:* discuss at lists.openscad.org
> *Subject:* Re: [OpenSCAD] Mirror, linear_extrude and importing an stl
>
> I could not see anything wrong or inappropriate with your code (although I
> would never use mirror([0,0,0])). It seems to be a bug in the stl
> generation. I could generate a corrected stl by unifying duplicated
> vertices
> with Meshlab.
>
>
>
> --
> View this message in context: http://forum.openscad.org/
> Mirror-linear-extrude-and-importing-an-stl-tp18825p18828.html
> Sent from the OpenSCAD mailing list archive at Nabble.com.
>
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