[OpenSCAD] User Poll: What do you want to see from OpenSCAD development?

Adam Purdie adam at symmetry.ninja
Tue Nov 12 19:25:53 EST 2019


This suggestions thread is being hijacked by this argument, how about
people make suggestions and the OpenSCAD people decide what to include and
we just leave disagreements to Twitter, Facebook and other social media.

On Wed, 13 Nov 2019, 11:12 am Jordan Brown, <openscad at jordan.maileater.net>
wrote:

> On 11/12/2019 3:15 PM, nop head wrote:
>
> It would mean I could accidentally design non-printable object instead of
> being told it was non-manifold.
>
>
> Why should OpenSCAD concern itself with printability?  If it does,
> shouldn't it also reject ludicrously large objects or ludicrously small
> ones?  Shouldn't it insist that all values be multiples of the print
> resolution?
>
> Maybe it's algorithmically impossible to disambiguate triangle-soup
> representations that have shared edges.  (I don't know one way or
> another.)  If so, that should prevent exports of such objects to
> triangle-soup file formats, but shouldn't prevent it for file formats where
> there's no problem.
>
> If your slicer can't handle such an object... then that's on the slicer.
>
> OpenSCAD can't represents objects with more than 3 dimensions, with
> dimensions of zero or infinity or imaginary numbers. All of these are
> mathematically possible by why spend time extending OpenSCAD to generate
> them when they are not physically possible?
>
>
> See, what we're disagreeing on is whether the objects being discussed are
> physically impossible, *within the approximations implicit in 3D printing,
> and in the real world at the microscopic and atomic levels*.
>
> I contend that for all practical purposes they are possible, and that they
> are certainly no more impossible than objects separated by epsilon or
> overlapping by epsilon.
>
> I don't remember:  were you one of the people who was arguing that
> malformed polyhedra (disconnected faces, et cetera) should be allowed?
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