how to round/soften top edges
Hello ,
I would like to soften the top inner and outer edges on this figure. I don't need much. I just wanted to get rid of the edge.
Thank you
Bob Roos
include <BOSL2/std.scad> //or screws or threading
Wo=34;
Lo=60;
Wi=23;
Li=34;
H=10;
Ro = 8;
Ri = 3;
T=1.4;
Off = 2.0;
difference(){
union(){
rect_tube(size=[Wo,Lo], wall=(Wo-Wi)/2, rounding=Ro, h=H,irounding=3);
rect_tube(size=[Wo,Lo-(Wo-Wi)/2], wall=(Wo-Wi)/2, rounding=Ro, h=H,irounding=3);
}
rect_tube(size=[Wo-T,Lo-T], wall=(Wo-Wi)/2-T,h=H-T,irounding=3, rounding=Ro);
#rect_tube(size=[Wo-T2,Lo-T2], wall=(Wo-Wi)/2-T,h=Off,irounding=3, rounding=Ro);
up(Off/2)cuboid([Wo-6T,Lo-6T,Off]);
}
--
Best regards,
Bob mailto:roosbob@wybatap.com
Hi Bob,
I would like to soften the top inner and outer edges on this figure.
[Aproximation in words] Looks like a stencil for cookies. The cut cookie would look like a picture frame with rounded corners.
I don't need much. I just wanted to get rid of the edge.
Let's discuss your options before choosing either:
(1) The general approach to softening 3d shapes is
minkowski()
and it is veeery calculation intense, especially for generic cases (substract, minkowski, substract, minkowski).
https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#minkowski
The not so generic case for your model would be:
(1a) scad the cut-out
(1b) minkowski the cut-out
(1c) scad the outer shape
(1d) minkowski the outer shape
(1e) cut-out the inner shape from the outer shape.
(2) There is a 2d-projection that makes up your shape. Model this in 2d using
____
/ __ \
/ / \ \
| | | |
\_/ \_/
Is my understanding ouf your desired shape correct?
You could use this 2D-shape and linear_extrude and rotate_extrude to create a 3D-rectangle.
Does any of the approaches suit you?
Cheers,
Marcus
Hello Bob,
constructive lib is really a good help here.
because it does extrusions under hood, it is simpler and faster than
anythng minkowskij by many orders of magnitutde .( making is actually
possible to work with for me)
the code ist like this:
include <constructive-compiled.scad>
chamfer(4,-2) tube(d=10,h=20,wall=2.5);
--constructive/tutorials/basic-tutorial.md at main ·
solidboredom/constructive · GitHub
--https://github.com/solidboredom/constructive/blob/main/tutorials/basic-tutorial.md
Peter
On 30.11.23 11:10, Marcus Poller via Discuss wrote:
Hi Bob,
I would like to soften the top inner and outer edges on this figure.
[Aproximation in words] Looks like a stencil for cookies. The cut cookie would look like a picture frame with rounded corners.
I don't need much. I just wanted to get rid of the edge.
Let's discuss your options before choosing either:
(1) The general approach to softening 3d shapes is
minkowski()
and it is veeery calculation intense, especially for generic cases (substract, minkowski, substract, minkowski).
https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#minkowski
The not so generic case for your model would be:
(1a) scad the cut-out
(1b) minkowski the cut-out
(1c) scad the outer shape
(1d) minkowski the outer shape
(1e) cut-out the inner shape from the outer shape.
(2) There is a 2d-projection that makes up your shape. Model this in 2d using
____
/ __ \
/ / \ \
| | | |
\_/ \_/
Is my understanding ouf your desired shape correct?
You could use this 2D-shape and linear_extrude and rotate_extrude to create a 3D-rectangle.
Does any of the approaches suit you?
Cheers,
Marcus
OpenSCAD mailing list
To unsubscribe send an email todiscuss-leave@lists.openscad.org
You can do that using the offset_sweep() module in BOSL2. You would need
to replace the rect_tube()'s with differences of offset_sweep() applied to
rect().
On Wed, Nov 29, 2023 at 8:55 PM Bob Roos via Discuss <
discuss@lists.openscad.org> wrote:
Hello ,
I would like to soften the top inner and outer edges on this figure. I
don't need much. I just wanted to get rid of the edge.
Thank you
Bob Roos
include <BOSL2/std.scad> //or screws or threading
Wo=34;
Lo=60;
Wi=23;
Li=34;
H=10;
Ro = 8;
Ri = 3;
T=1.4;
Off = 2.0;
difference(){
union(){
rect_tube(size=[Wo,Lo], wall=(Wo-Wi)/2, rounding=Ro, h=H,irounding=3);
rect_tube(size=[Wo,Lo-(Wo-Wi)/2], wall=(Wo-Wi)/2, rounding=Ro,
h=H,irounding=3);
}
rect_tube(size=[Wo-T,Lo-T], wall=(Wo-Wi)/2-T,h=H-T,irounding=3,
rounding=Ro);
#rect_tube(size=[Wo-T2,Lo-T2], wall=(Wo-Wi)/2-T,h=Off,irounding=3,
rounding=Ro);
up(Off/2)cuboid([Wo-6T,Lo-6T,Off]);
}
--
Best regards,
Bob mailto:roosbob@wybatap.com
OpenSCAD mailing list
To unsubscribe send an email to discuss-leave@lists.openscad.org
Hi Peter,
include <constructive-compiled.scad>
chamfer(4,-2) tube(d=10,h=20,wall=2.5);
I can't compile Bobs code after including <constructive-compiled.scad>; I get error messages of this
WARNING: Too many unnamed arguments supplied in file ../.local/share/OpenSCAD/libraries/BOSL2/attachments.scad, line 3274
kind. I guess there is some naming ambiguities between BOSL and constructive-compiled;
Cheers,
Marcus
Yeah, it seems unlikely there's any way to simultaneously use BOSL2 and
constructive-compiled.
Another strategy for making this in BOSL2 would be to make a U-shaped
2d-path and path extrude it along a rounded rect().
On Thu, Nov 30, 2023 at 6:26 AM Marcus Poller via Discuss <
discuss@lists.openscad.org> wrote:
Hi Peter,
include <constructive-compiled.scad>
chamfer(4,-2) tube(d=10,h=20,wall=2.5);
I can't compile Bobs code after including <constructive-compiled.scad>; I
get error messages of this
WARNING: Too many unnamed arguments supplied in file
../.local/share/OpenSCAD/libraries/BOSL2/attachments.scad, line 3274
kind. I guess there is some naming ambiguities between BOSL and
constructive-compiled;
Cheers,
Marcus
OpenSCAD mailing list
To unsubscribe send an email to discuss-leave@lists.openscad.org
Yet another strategy would be to use build123d (cadquery) inside openscad
With OpenCascade you can even create filltets AFTER the object was already
defined.
This allows for more sophisticated designs and less strategy how to
describe objects correctly ...
On Thu, Nov 30, 2023 at 12:43 PM Adrian Mariano via Discuss <
discuss@lists.openscad.org> wrote:
Yeah, it seems unlikely there's any way to simultaneously use BOSL2 and
constructive-compiled.
Another strategy for making this in BOSL2 would be to make a U-shaped
2d-path and path extrude it along a rounded rect().
On Thu, Nov 30, 2023 at 6:26 AM Marcus Poller via Discuss <
discuss@lists.openscad.org> wrote:
Hi Peter,
include <constructive-compiled.scad>
chamfer(4,-2) tube(d=10,h=20,wall=2.5);
I can't compile Bobs code after including <constructive-compiled.scad>; I
get error messages of this
WARNING: Too many unnamed arguments supplied in file
../.local/share/OpenSCAD/libraries/BOSL2/attachments.scad, line 3274
kind. I guess there is some naming ambiguities between BOSL and
constructive-compiled;
Cheers,
Marcus
OpenSCAD mailing list
To unsubscribe send an email to discuss-leave@lists.openscad.org
OpenSCAD mailing list
To unsubscribe send an email to discuss-leave@lists.openscad.org
Yes it seems that the namesaces overlap.
here is a take on it using only constructive lib skin funtionality ( i
like your extrusion approach too)
include <../devlibs/constructive/constructive-all.scad>
Wo=34; Lo=60; Wi=23; Li=34; H=5; Ro = 8; Ri = 3; T=1.4;Off = 2.0;
$skinThick =1.4;
assemble() {
addRemove(Z(margin(.1)),TODOWN(),height(skin(H)))
chamfer(down=-1,up=-.15,side=-Ro,fnCorner=40)
box(skin(Wo),skin(Lo));
}
i am not quite sure what bobs code was supposed to look like, so this is
only a first take.
more on skins in constructive here:
https://github.com/solidboredom/constructive/blob/main/tutorials/tutorial-partIII.md#easily-create-skins-with-skinsize0-skinthickskinthick-walls2-marginmargin
On 30.11.23 12:20, Marcus Poller wrote:
Hi Peter,
include <constructive-compiled.scad>
chamfer(4,-2) tube(d=10,h=20,wall=2.5);
I can't compile Bobs code after including <constructive-compiled.scad>; I get error messages of this
WARNING: Too many unnamed arguments supplied in file ../.local/share/OpenSCAD/libraries/BOSL2/attachments.scad, line 3274
kind. I guess there is some naming ambiguities between BOSL and constructive-compiled;
Cheers,
Marcus
WOW!
using cadquery from openscad sound more than awesome
how is build123 into openscad compiler?
I think there are tons of uses for it.
On 30.11.23 12:48, Guenther Sohler via Discuss wrote:
Yet another strategy would be to use build123d (cadquery) inside openscad
With OpenCascade you can even create filltets AFTER the object was
already defined.
This allows for more sophisticated designs and less strategy how to
describe objects correctly ...
On Thu, Nov 30, 2023 at 12:43 PM Adrian Mariano via Discuss
discuss@lists.openscad.org wrote:
Yeah, it seems unlikely there's any way to simultaneously use
BOSL2 and constructive-compiled.
Another strategy for making this in BOSL2 would be to make a
U-shaped 2d-path and path extrude it along a rounded rect().
On Thu, Nov 30, 2023 at 6:26 AM Marcus Poller via Discuss
<discuss@lists.openscad.org> wrote:
Hi Peter,
include <constructive-compiled.scad>
chamfer(4,-2) tube(d=10,h=20,wall=2.5);
I can't compile Bobs code after including
<constructive-compiled.scad>; I get error messages of this
WARNING: Too many unnamed arguments supplied in file
../.local/share/OpenSCAD/libraries/BOSL2/attachments.scad,
line 3274
kind. I guess there is some naming ambiguities between BOSL
and constructive-compiled;
Cheers,
Marcus
_______________________________________________
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_______________________________________________
OpenSCAD mailing list
To unsubscribe send an email to discuss-leave@lists.openscad.org
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It's not difficult at all, once openscad can do python.
Having this ability it's just a matter of installing the buidl123d
python-pip package and using it inside the openscad source window.
(of course there were few other problems, but they are already cleared in
my side)
right now preparing an installation package and testing, how this works in
windows ...
On Thu, Nov 30, 2023 at 1:24 PM pproj--- via Discuss <
discuss@lists.openscad.org> wrote:
WOW!
using cadquery from openscad sound more than awesome
how is build123 into openscad compiler?
I think there are tons of uses for it.
On 30.11.23 12:48, Guenther Sohler via Discuss wrote:
Yet another strategy would be to use build123d (cadquery) inside openscad
With OpenCascade you can even create filltets AFTER the object was
already defined.
This allows for more sophisticated designs and less strategy how to
describe objects correctly ...
On Thu, Nov 30, 2023 at 12:43 PM Adrian Mariano via Discuss <
discuss@lists.openscad.org> wrote:
Yeah, it seems unlikely there's any way to simultaneously use BOSL2 and
constructive-compiled.
Another strategy for making this in BOSL2 would be to make a U-shaped
2d-path and path extrude it along a rounded rect().
On Thu, Nov 30, 2023 at 6:26 AM Marcus Poller via Discuss <
discuss@lists.openscad.org> wrote:
Hi Peter,
include <constructive-compiled.scad>
chamfer(4,-2) tube(d=10,h=20,wall=2.5);
I can't compile Bobs code after including <constructive-compiled.scad>;
I get error messages of this
WARNING: Too many unnamed arguments supplied in file
../.local/share/OpenSCAD/libraries/BOSL2/attachments.scad, line 3274
kind. I guess there is some naming ambiguities between BOSL and
constructive-compiled;
Cheers,
Marcus
OpenSCAD mailing list
To unsubscribe send an email to discuss-leave@lists.openscad.org
OpenSCAD mailing list
To unsubscribe send an email to discuss-leave@lists.openscad.org
OpenSCAD mailing list
To unsubscribe send an email to discuss-leave@lists.openscad.org
OpenSCAD mailing list
To unsubscribe send an email to discuss-leave@lists.openscad.org