Paul,
3D data in a PDF file is U3D (ECMA-363), and that format does support the notion of material names (free form text), so conceptually it could be used for 3D printing. I'll make sure to add this in a future version of the 3D extensions document.
> On Dec 7, 2015, at 9:26 AM, Paul Tykodi <ptykodi at tykodi.com> wrote:
>> Hi Ira,
>> I sent Duff Johnson (Current Executive Director of the PDF Association and participant in the ISO groups who manage PDF related specifications) a quick note asking whether he had seen much interest in the PDF/E specification from the commercial sector.
>> Duff responded that …”3D support will be included natively (1st class citizen) in PDF in PDF 2.0, which should be published within a year or so.”
>> I don’t know whether this new mainstream PDF capability is likely to impact any IPP Everywhere enhancements we might discuss in the future or not but I thought you would want to know about the plans for 3D support in this forthcoming ISO standard.
>> Best Regards,
>> /Paul
>> <image001.png>
>> Paul Tykodi
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Michael Sweet, Senior Printing System Engineer
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