Render issue under macOS

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Render issue under macOS

nolive
Hi there,

I've tried OpenSCAD for mac (v2015.03) with a sample form.
My goal is to create an empty box (with a cover not yet designed).
The same code doesn't give the same preview.

Under macOS, the box doesn't seem to be empty
<http://forum.openscad.org/file/t2373/macos.png>

With OpenSCAD.net, the same code does show an empty box
<http://forum.openscad.org/file/t2373/openscad.png>

I did try the developer version (v2018), I still have the same issue.
I think the code is ok, but just in case, I'll give it attached.

Here it is the code.
emptybox.scad <http://forum.openscad.org/file/t2373/emptybox.scad>  

macOS : High Sierra 10.13.4

Any ideas?



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Re: Render issue under macOS

MichaelPFrey

I see Z-fighting:

This is an issue with your code:

https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/FAQ#What_are_those_strange_flickering_artifacts_in_the_preview?


please make the box you are using for the difference a bit bigger then the volume you want to remove, so that it is not ambivalent whether the surface has to be removed or not.


With Kind regards,

Michael Frey


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Re: Render issue under macOS

nolive
In reply to this post by nolive
Oh, thank you. I didn't know that wiki.
I'm gonna read it right away.



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