[OpenSCAD] Rounded Polygon

William Adams will.adams at frycomm.com
Fri May 3 11:54:33 EDT 2019

I'm hoping to eventually work up a general algorithm for subdividing an
arbitrary shape/area so that it can then be cut out using macros/modules
which I'll be defining in OpenSCAD (so as to have a 3D preview of a
project) and in some other programming languages as well (METAPOST seems
possible, Javascript/TPL (Tool Path Language) another, Python, or LiveCode
distant possibilities.

Basically I want to be able to have rounded ends on the dividers in:


[image: cncboxfitted_3x3_round_divider.png]

instead of the sharp points.


On Fri, May 3, 2019 at 11:32 AM adrianv <avm4 at cornell.edu> wrote:

> Yes, what I meant by "teardrop" is an edge which combines 45 degrees of a
> circular arc with a bevel at 45 deg so that the edge can be 3d printed
> without support---with the bevel down there are no unsupported areas at
> lower than a 45 deg angle.
> William Adams-2 wrote
> > Okay. Discussion of a list of two-dimensional shapes,
> > mathematical/programmatic techniques for dividing shapes into regions,
> and
> > the possible shapes which one can use in such deconstruction.
> I really don't understand your question.  When people talk of dividing 2d
> shapes into regions they usually mean triangulating the shape.  But it
> sounds like you mean something else.  Maybe you should give a specific
> example?
> --
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