Hi Marielle,

Over the past couple of years, colleagues from several of my workplaces have 
asked questions about preserving 3D software files. So there are definitely 3D 
digitisation experiments happening in several places including my current 
organisation (Cambridge University Library), the State Library New South Wales 
(Sydney, Australia), the Church History Library (USA) and I think the Getty and 
the Smithsonian from memory.

As far as I’m aware, there aren’t guidelines for digitisation of objects in 3D 
file formats (and given the international guidelines around born-digital video 
are only in development currently, I suspect that it will take a few more years 
for guidelines around 3D file formats - as in-depth research is needed). 

I’m sure a range of other orgs have their own guidelines for digitising objects 
in 2D formats (I’m not necessarily the best person to advise on this). The 
information I’ve given to my colleagues who are experimenting with 3D formats, 
was to select a format that was already known by the PRONOM file format 
registry (developed and run by The National Archives in the UK).

These 3D file formats (that are already known by PRONOM) are:
* X3D - fmt/579, fmt/580, fmt/581, fmt/582
* PLY - fmt/831
* STL - x-fmt/108, fmt/865

Our advice to our digitisation colleagues leant towards X3D, as it's an ISO 
standard - and also as it’s XML based.


An example of a collection item at my current workplace is this object that has 
been digitised in 3D:
https://cudl.lib.cam.ac.uk/view/MS-ORCS-00001-00001/1

The 3D image has been made available via SketchFab: 
https://sketchfab.com/models/455016bc4f4f496d98bda94c28f2bf05


Thanks
Somaya


-- 
Somaya Langley
Digital Preservation Specialist - Policy and Planning (Polonsky Fellow)
Cambridge University Library
West Road, Cambridge, CB3 9DR
T: +44 (0)1223 765576
E: sz...@cam.ac.uk








On 18/07/2018, 20:39, "mcn-l on behalf of Marielle Smith" 
<mcn-l-boun...@mcn.edu on behalf of msmi...@oscars.org> wrote:

>Hello, I'm hoping some of you might be able to share any guidelines and/or 
>standards you have regarding digital photography of 3D collections objects for 
>long-term preservation: resolution, file format, and especially how are 
>360-degree views of objects being captured (video, series of stills stitched 
>together, etc.).
>
>If there's one recommended resource for these guidelines or best practices, 
>please point me to it - I've not been successful in finding anything very 
>up-to-date and what resources I have found recommend analog over digital, and 
>I'm not sure that still applies.
>
>Thanks for your help!
>Marielle
>
>
>
>Marielle Smith
>Digital Archivist
>Academy of Motion Picture Arts and Sciences
>msmi...@oscars.org
>
>
>
>[?]<http://www.oscars.org>
>
>
>Marielle Smith
>Digital Archivist
>
>
>Academy of Motion Picture Arts and Sciences
>1313 Vine Street • Hollywood, CA 90028
>
>
>310.247.3000 x2720 • msmi...@oscars.org<mailto:msmi...@oscars.org>
>
>
>
>
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