[Discuss] OSS/OSHW replacement for DXF?
pierce at logos-electro.com
Tue Jun 30 03:11:05 UTC 2015
G code is for people who think DXF is way too standardized and consistent.
On Mon, Jun 29, 2015 at 9:08 AM, abram connelly
<abram.connelly at gmail.com> wrote:
> GCode falls into the category of "ask grandpa"?
> On Mon, Jun 29, 2015 at 11:34 AM, j. eric townsend
> <jet at functionalprototype.com> wrote:
>> [disclaimer, I am not a lawyer, this is not legal advice or opinion, If
>> there’s a better forum for this question, I’m happy to take this question
>> Let’s start with this: DXF is dead, long live DXF!
>> I’ve spent the past week dealing with a variety of hardware and software
>> packages that all handle different versions and features of DXF and am ready
>> for an OSS replacement. Epilog, a generic Chinese laser cutter, a
>> Lasersaur, and a Flow-driven waterjet cannot agree on a version of DXF to
>> handle simple lines and curves. I started looking in to “the right DXF
>> version” and by the weekend realized I was in a maze of twisty passages, all
>> So lets be grown-ups and ditch DXF to the pile of disorganized, organic
>> rules purporting to be standards.
>> What’s an appropriate substitute? Here’s where I’m starting:
>> - DWG: is (and always will be) proprietary
>> - Teigha: a proprietary replacement for DWG.
>> - SVG: doesn’t thrill me as it also has too many versions/variation
>> problems and isn’t focused on making physical products. (Quick, how big is a
>> - IGES: no official changes since '95 or ’96, still used for 3d models by
>> the likes of McMaster Carr, but I have had zero luck with exported IGES
>> files and digifab hardware.
>> - millcrum: interesting idea, in development, but it’s parametric and I’m
>> allergic to that when it comes to wateriets and class IV lasers.
>> - EPS: ugh
>> - PDF: see EPS
>> - AI: proprietary
>> - HPGL: I’ll ask grandpa what it was like to walk to school both ways
>> uphill in the snow.
>> - openNURBS: really open, no copyright or copyleft on the toolkit;
>> arguably the standard is defined by McNeel who own the trademark on
>> - STL: I haven’t tried 2d STL yet, but I don’t remember seeing it as an
>> import option on many of the 2 and 2.5D systems I use.
>> If this is better placed on a wiki, let me know and I’ll see to that.
>> J. Eric Townsend, IDSA
>> designer | engineer | fabricator
>> jet at functionalprototype.com
>> discuss mailing list
>> discuss at lists.oshwa.org
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