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Fwd: Re: file persistence

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Ray West
Thu, Sep 16, 2021 8:39 PM

Nine or ten years ago, before the current diy fdm printing was as
popular, I fitted a purpose designed print head to my cnc mill. It all
worked fine, but it was very slow. I wrote software, for various objects
(example of a model window frame below) and that generated the gcode to
drive the mill/print head, laying down the filament one strand at a
time. No cad package, no stl file, no slicer involved, absolutely no
worry wrt level bed. This was simple g-code generation and worked well
for certain objects. However after a year or so, I removed the nozzle,
and reverted to a cnc mill. There would be no need to keep any files,
just re-enter the dimensions. There were only two filament types, pla
and  abs, and both needed no heated bed, just masking tape and
hairspray, and it was simple to preset the temperature. I may revise
that (the code used A for the extruder) and see how it compares with
trying to design in openscad and slice, etc. for the same object.  It'll
need a few things changed to get it to run in current Marlin type gcode,
but not much.

ead

On 13/09/2021 06:11, nop head wrote:

My g-code files are kept by Octoprint on the machine that printed
them, so I can always print them again if I can remember the name or
the date.

On Sun, 12 Sept 2021 at 23:25, Jordan Brown
<openscad@jordan.maileater.net mailto:openscad@jordan.maileater.net>
wrote:

 I keep the SCAD files, of course.

 I happen to keep the STLs, but that's mostly through not deleting
 them, rather than through deliberately keeping them.

 Sometimes I keep the slicer project files.  Usually I don't save them.

 I keep G-code files through not deleting them, but I also keep
 them when I expect to want to make more of the same thing easily -
 for instance, every few months I churn out another batch or two of
 whistles with my Scout troop's logo on them.

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Nine or ten years ago, before the current diy fdm printing was as popular, I fitted a purpose designed print head to my cnc mill. It all worked fine, but it was very slow. I wrote software, for various objects (example of a model window frame below) and that generated the gcode to drive the mill/print head, laying down the filament one strand at a time. No cad package, no stl file, no slicer involved, absolutely no worry wrt level bed. This was simple g-code generation and worked well for certain objects. However after a year or so, I removed the nozzle, and reverted to a cnc mill. There would be no need to keep any files, just re-enter the dimensions. There were only two filament types, pla and  abs, and both needed no heated bed, just masking tape and hairspray, and it was simple to preset the temperature. I may revise that (the code used A for the extruder) and see how it compares with trying to design in openscad and slice, etc. for the same object.  It'll need a few things changed to get it to run in current Marlin type gcode, but not much. ead On 13/09/2021 06:11, nop head wrote: > My g-code files are kept by Octoprint on the machine that printed > them, so I can always print them again if I can remember the name or > the date. > > On Sun, 12 Sept 2021 at 23:25, Jordan Brown > <openscad@jordan.maileater.net <mailto:openscad@jordan.maileater.net>> > wrote: > > I keep the SCAD files, of course. > > I happen to keep the STLs, but that's mostly through not deleting > them, rather than through deliberately keeping them. > > Sometimes I keep the slicer project files.  Usually I don't save them. > > I keep G-code files through not deleting them, but I also keep > them when I expect to want to make more of the same thing easily - > for instance, every few months I churn out another batch or two of > whistles with my Scout troop's logo on them. > > _______________________________________________ > OpenSCAD mailing list > To unsubscribe send an email to discuss-leave@lists.openscad.org > <mailto:discuss-leave@lists.openscad.org> >