Using OpenSCAD to drive milling
Does anybody use OpenSCAD to drive a 3D mill? What tool chain do you
use? Any hints?
I do 2D milling with PyCAM from DXF files produced with OpenSCAD. I think
it can also import STL and do 3D milling but I haven't tried it yet.
On Tue, 1 Oct 2019 at 21:23, Jordan Brown openscad@jordan.maileater.net
wrote:
Does anybody use OpenSCAD to drive a 3D mill? What tool chain do you
use? Any hints?
OpenSCAD mailing list
Discuss@lists.openscad.org
http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
On 10/1/2019 1:25 PM, nop head wrote:
I do 2D milling with PyCAM from DXF files produced with OpenSCAD. I
think it can also import STL and do 3D milling but I haven't tried it yet.
Thanks. (Though the crossed-out "Windows" in the list of supported
platforms is a problem for me.)
Just to make sure we're on the same page, I'm talking about a
bottom-of-the-line 3-axis mill, something that's able to move the bit in
X, Y, and Z, to carve down from the top of the material. It cannot
rotate the bit into other orientations, so it cannot (e.g.) carve in
from the side.
This is what I have:
https://www.sainsmart.com/products/sainsmart-genmitsu-cnc-router-3018-pro-diy-kit
On Tue, 1 Oct 2019 at 21:23, Jordan Brown
<openscad@jordan.maileater.net mailto:openscad@jordan.maileater.net>
wrote:
Does anybody use OpenSCAD to drive a 3D mill? What tool chain do
you use? Any hints?
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I've been importing .stl s into fusion 360 and making them into bodies, a
little awkward but any cam software will be able to take the .stls. Fusion
has the advantage of being free for hobbiesists and is a very high skill
ceiling CAD system in it's own right.
I recommend picking up fusion immediately and getting at least passable
with it, there are so many times when an openscad program would be overkill
for what you need, and having your CAD and CAM in the same program has some
serious value.
On Tue, Oct 1, 2019 at 3:23 PM Jordan Brown openscad@jordan.maileater.net
wrote:
Does anybody use OpenSCAD to drive a 3D mill? What tool chain do you
use? Any hints?
OpenSCAD mailing list
Discuss@lists.openscad.org
http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
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I don't know why it is crossed out because I have only used it on Win7. I
did install it in about 2012.
On Tue, 1 Oct 2019 at 21:38, Jordan Brown openscad@jordan.maileater.net
wrote:
On 10/1/2019 1:25 PM, nop head wrote:
I do 2D milling with PyCAM from DXF files produced with OpenSCAD. I think
it can also import STL and do 3D milling but I haven't tried it yet.
Thanks. (Though the crossed-out "Windows" in the list of supported
platforms is a problem for me.)
Just to make sure we're on the same page, I'm talking about a
bottom-of-the-line 3-axis mill, something that's able to move the bit in X,
Y, and Z, to carve down from the top of the material. It cannot rotate the
bit into other orientations, so it cannot (e.g.) carve in from the side.
This is what I have:
https://www.sainsmart.com/products/sainsmart-genmitsu-cnc-router-3018-pro-diy-kit
On Tue, 1 Oct 2019 at 21:23, Jordan Brown openscad@jordan.maileater.net
wrote:
Does anybody use OpenSCAD to drive a 3D mill? What tool chain do you
use? Any hints?
OpenSCAD mailing list
Discuss@lists.openscad.org
http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
OpenSCAD mailing listDiscuss@lists.openscad.orghttp://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
In case it helps you, the type of milling it’s possible to do with this is often called “2.5D” meaning it can move in 2 axes, x and Y, and plunge to a depth in Z, but from above only. It’s not impossible to cut under an overhang but this involves some clever and careful use of a specific tool bit, and wouldn’t be the first thing I’d try on a machine like this…
https://en.wikipedia.org/wiki/2.5D_(machining)
+1 for fusion360 as a good tool to use with this, though I am a relative newbie myself.
Alex Gibson
admg consulting
edumaker limited
· Project management
· Operations & Process improvement
· 3D Printing
From: Discuss [mailto:discuss-bounces@lists.openscad.org] On Behalf Of Jordan Brown
Sent: 01 October 2019 21:38
To: OpenSCAD general discussion; nop head
Subject: Re: [OpenSCAD] Using OpenSCAD to drive milling
On 10/1/2019 1:25 PM, nop head wrote:
I do 2D milling with PyCAM from DXF files produced with OpenSCAD. I think it can also import STL and do 3D milling but I haven't tried it yet.
Thanks. (Though the crossed-out "Windows" in the list of supported platforms is a problem for me.)
Just to make sure we're on the same page, I'm talking about a bottom-of-the-line 3-axis mill, something that's able to move the bit in X, Y, and Z, to carve down from the top of the material. It cannot rotate the bit into other orientations, so it cannot (e.g.) carve in from the side.
This is what I have: https://www.sainsmart.com/products/sainsmart-genmitsu-cnc-router-3018-pro-diy-kit
On Tue, 1 Oct 2019 at 21:23, Jordan Brown openscad@jordan.maileater.net wrote:
Does anybody use OpenSCAD to drive a 3D mill? What tool chain do you use? Any hints?
OpenSCAD mailing list
Discuss@lists.openscad.org
http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
OpenSCAD mailing list
Discuss@lists.openscad.org
http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
mmaggio wrote
there are so many times when an openscad program would be overkill
for what you need, and having your CAD and CAM in the same program has
some
serious value.
I'm very interested in this comment. I have been assuming it would be very
much easier to build the 3D model in Openscad. Certainly I find Openscad
much easier to use than SolveSpace or Freecad.
...R
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Sent from: http://forum.openscad.org/
On 10/1/2019 3:09 PM, Alex Gibson wrote:
In case it helps you, the type of milling it’s possible to do with
this is often called “2.5D” meaning it can move in 2 axes, x and Y,
and plunge to a depth in Z, but from above only.
Thanks. I'd heard that term, but misunderstood it. I'd seen it in the
context of tools that had 2D drawings with specified depths for
particular areas, and specified cuts for particular lines, but did not
have a general ability to model other shapes, even limited by "cut from
the top". (That is, they could not model a hemisphere, even though
that's a shape that could be cut by this machine.)
+1 for fusion360 as a good tool to use with this, though I am a
relative newbie myself.
I'll try it again. I tried it on my low-end (but not ancient) laptop,
and it was unusably slow. (And I didn't understand it, but it was hard
to understand when it was so slow.)
I've done this in a number of ways:
- export to an STL from OpenSCAD, use a 3D CAM tool such as MeshCAM or
pyCAM - Project and flatten a design and export a DXF and use a CAM tool which
will import a DXF such as Carbide Create or MakerCAM:
https://community.carbide3d.com/t/design-into-3d-games-chinese-checkers/16056 - match up an OpenSCAD file with an existing CNC generator such as:
http://chaunax.github.io/projects/twhl-box/twhl.html ---
https://www.thingiverse.com/thing:3575705 see:
https://www.shapeoko.com/wiki/index.php/Carbide_Create:_A_Simple_CNC_Box - capture the parameters of a file and then write a METAPOST program to
redraw it: https://wiki.shapeoko.com/index.php/Design_into_3D:_box:_fitted
Working on capturing the parameters and then having a Tool Path Language
(tplang.org) file make G-Code.
William
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