This is soooo nice.

Also great for cnc

Few more joint types would be nice

Even doing large objects that are 3d printed it would be useful

Sent from my iPhone

OpenSCAD is my preferred method for designing 3D objects for printing.
The novel thing about the original link I provided is that it is devoted
to creating 2D objects for laser cutting. If you want to learn more
about OpenSCAD, Google the documentation, manuals, and tutorials.  Or
invite me to teach an OpenSCAD course at Generator again.

Jon

On 10/14/2015 8:53 PM, Glenn West wrote:

glennswest wrote

Which joint types would you like to see ?

BMS

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http://m.instructables.com/id/50-Digital-Joints-poster-visual-reference/

Lot of good ones here

Sent from my iPhone

glennswest wrote

Very cool thing, but it looks to me that those digital joints are for
superman, not for human being. :) (or if you are human with a CNC). Some of
them don't even make sense, if you look closely, either it seems to leave
gaps, or the geometry doesn't seem to allow them to join together, unless
they have magic that I don't see.

For the purpose of designing joints with Openscad, I would suggest choosing
those that are more commonly used by woodworkers, like those in :

http://woodtools.nov.ru/mag/good_wood_joints/good_wood_joints.htm
http://woodtools.nov.ru/mag/good_wood_joints/good_wood_joints.htm

$  Runsun Pan, PhD

$ libs: doctest , faces ( git ), offline doc ( git ),runscad.py( 1 , 2 , git );

$ tips: hash( 1 , 2 ), sweep , var , lerp , animGif

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In my Lasercut work I have used Ponoko a lot - they use SVG direct from
Inkscape.
In my extensions for Inkscape (jigsaw, tabbed box)I have added a Kerf
parameter as well. This is useful to get perfectly fitted parts. The
offset for the kerf has to be calculated carefully for internal and
external edges so the parts fit perfectly but maintain their correct
outer dimensions.
Do you think it would be a useful feature to add ?

Also - because I have kerf - sometimes the user doesn't want that and
prefers a sloppy fit but with a minimal number of cuts (lowest cost).
I.e. so the pieces are placed directly adjacent to each other and only a
single line is put into the export file. So no double lines to cut the
same edge. This lowers the cost of lasercutting quite a lot for most
pieces but of course its a tradeoff with the sloppy fit.

Have you considered this in your fit and export options also ?

One more option I added was the ability to put in small half round so
that the sloppy fit pieces could be press fitted. This is no good for
perspex which cracks but perfect for wood which can sustain minor
deformation.

Looks really interesting so far. Nice work.
Cheers...

On 10/15/2015 12:20 PM, Brendan Sleight wrote:

Von: "Mark Schafer" mschafer@wireframe.biz

I think that's currently not possible, at least not without additional
postprocessing. The 2D behavior matches the one from 3D where touching
parts are unioned into a single one, so a line separating two 2D objects
(e.g. "square(10); translate([10, 0]) square(10);" will just result
in a single 10x20 rectangle).

I guess the interesting question is how to integrate better lasercut
support into the language without breaking existing models.

ciao,
Torsten.

Neon22 wrote

Yes useful to add, but hard :)
I will have a think.

Neon22 wrote

No. For the reasons stated by tp3. I have only used Ponoko a few times, and
found the saving for single lines not worth the effort and cost of making a
mistake. (But the pricing model may have changed since ~2012)

Neon22 wrote

Could you explain in more detail or point towards an image/example. Should
be easy to add.

Cheers,
Brendan

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