On 2/18/2025 8:32 AM, Todd Allen via Discuss wrote:

No.

Issue #5089 https://github.com/openscad/openscad/issues/5089 "Add /
change Metadata for 3mf export".

(Of course I can't speak to whether there's a way to rename it in
OrcaSlicer.)

If we export a single object, we could technically write the name of the OpenSCAD file as object name in 3mf. Today, we just use “OpenSCAD Model” as the name.

See https://github.com/openscad/openscad/blob/10248bcfb5a76d03d8355f587595e9ac8942c657/src/io/export_3mf_v2.cc#L162

-Marius

On 18.02.25 17:59, Marius Kintel via Discuss wrote:

We do save by default the file name as meta data title. I don't
know what Orca Slicer uses.

ciao,
Torsten.

Thanks!  Actually though your answer is somewhat inaccurate.  I've learned
the .3mf file is a .zip and unpacking ones from OpenSCAD finds they contain
a folder <3D> which contains a single file 3dmodel.model which is an ascii
text XML file.  Near the top is:
<resources>
<object id="1" name="OpenSCAD Model" type="model" p:UUID="b3c95bf5-f70f-4776-9282-426dde406905">

So it should be possible to invoke command line OpenSCAD from a script to
produce a .3mf, upack it, edit 3dmodel.model and fix the name, repack it
and declare VICTORY!

On Tue, Feb 18, 2025 at 10:54 AM Jordan Brown openscad@jordan.maileater.net
wrote:

OpenSCAD file as object name in 3mf. Today, we just use “OpenSCAD Model” as
the name.

Or maybe name a single object as "filebasename.1" and a 2nd object as
"filebasename.2", ...

On Tue, Feb 18, 2025 at 11:00 AM Marius Kintel marius@kintel.net wrote:

On 18.02.25 18:44, Todd Allen via Discuss wrote:

This is likely to be the case for files exported by OpenSCAD
for the time being. The spec allows for much more ways, so
relying on a single file will not work with all files (e.g.
saved in Bambu Slicer) and may even change for OpenSCAD at
any time.

ciao,
Torsten.

On Tue, Feb 18, 2025 at 07:12:03PM +0100, Torsten Paul via Discuss wrote:

I have not followed the full discussion, but the way I understand
it... for further processing, the name "openscad model" needs to be
set differently for different models. The plan is now to unzip, edit
the file and rezip. That's a complicated workaround for "openscad is not
able to set the name of the model".

I have created a workaround where I have openscad-comments that
specify output file names and how to make them from that openscad
file.

What Todd would want is to be able to set the output model name either
in the scad or on the commandline so that his different model parts
(possibly coming from one or more scad files) end up having different
model names in the 3MF file.

I would still argue that it would be a good idea to have say
a:

$defaultfilename = "bottompart";

in the scad so that export-stl would suggest that as the filename
(as opposed to the basename of the source scad).
And in case of export 3MF, the model name would default to that.

Roger. 

--
** R.E.Wolff@BitWizard.nl ** https://www.BitWizard.nl/ ** +31-15-2049110 **
**    Delftechpark 11 2628 XJ  Delft, The Netherlands.  KVK: 27239233    **
f equals m times a. When your f is steady, and your m is going down
your a** is going up.  -- Chris Hadfield about flying up the space shuttle.
**  'a' for accelleration.

Are you 'saving project as' or 'export generic .3mf.'? It used to be
that bambu slicer (which Orca is based on, never mind the rest of the
forks') did not save as a standard .3mf.  I raised the issue some time
ago to bbl, I think they have changed it now (possibly added the 'export
as generic' choice.) afaik, it saves the project name by default.. It
saves the 3mf files named however I like, and any version opens in
openscad, but Inside it seems to be all binary.

I'm using Orca slicer v 2.0.0. beta. You realise that there will be
problems with bbl printers and orca in the future, since bbl are working
towards their closed system, and screwing up every one else.

On 18/02/2025 16:32, Todd Allen via Discuss wrote:

The problem is with exporting 3mf files from OpenSCAD which doesn't allow
objects to have unique names.

On Tue, Feb 18, 2025, 1:53 PM Raymond West via Discuss <
discuss@lists.openscad.org> wrote: