[OpenSCAD] Controlling memory usage
thehans at gmail.com
Wed Sep 5 20:45:32 EDT 2018
$fs = 0.01 is pretty insane. That means the distance between each
vertex is about 1/100th of a millimeter. That's going to generate a
ton of vertices on all but the smallest, simplest models. Is there
any reason you want it so low?
I usually don't go below $fs = 0.2 on most things (depends on the
model) and that's already what I would consider pretty fine detail.
That said, if you still want to increase your cache size, you can do
so in Preferences -> Advanced -> Polyset cache size
On Wed, Sep 5, 2018 at 1:48 PM Barnet Wagman <bdwgen at gmail.com> wrote:
> When I set $fs to its minimum ($fs=0.01) I start running into memory
> problems, such as the message "WARNING: GeometryEvaluator: Node didn't
> fit into cache". The program slows down to a crawl as if it's paging.
> FYI I'm running OpenSCAD version 2015.03-2 on debian 9 ('stretch'),
> 64-bit kernel.
> I noticed that there are some cache related variables in the config
> files. Would changing any of these values help? I haven't found any
> documentation on them.
> Is there a way of giving openscad more memory? I haven't seen anything
> about this in the documentation or in the man page.
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