[OpenSCAD] recursion limit on concat()

Hans L thehans at gmail.com
Thu Oct 17 15:06:28 EDT 2019

Hi kitwallace, I also have an L-system implementation which I've posted
about previously on the list:

The latest revision is here:

I spent a lot of time optimizing this code (and even made changes to
OpenSCAD to support recursion more efficiently specifically because of
it).  It's pretty good with high iterations.


On Tue, Oct 15, 2019 at 10:23 AM Torsten Paul <Torsten.Paul at gmx.de> wrote:

> On 15.10.19 16:56, kitwallace wrote:
> > Re the recusion example - I posted it at Torsten's
> > request that so that it could be used as a test case
> > for the enhancement which I believe should handle
> > that case.
> Thanks for that, I can confirm it works as expected. The
> nightly does not abort with stack overflow so the tail
> recursion elimination works nicely.
> With the range workaround it successfully generates the
> design with k=8.
> ciao,
>   Torsten.
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