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Sharing out in case of interest--</div>
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<b>From:</b> Archiving <archiving@imaging.org><br>
<b>Sent:</b> Tuesday, November 18, 2025 7:53 PM<br>
<b>To:</b> Martina Hoffmann <martina.hoffmann.at@gmail.com><br>
<b>Subject:</b> EXT: December 4 Grab-a-Cup Program</div>
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<span style="background-color: rgb(255, 255, 255);">We will have another topical Grab-a-Cup meeting on the 4th of December about Kintsugi.</span></div>
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14:00 NY time</div>
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Thursday, December 4</div>
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<a style="color: rgb(0, 120, 215);" data-auth="NotApplicable" data-outlook-id="23969403-496d-4ecb-827f-df08794ec906" originalsrc="https://us06web.zoom.us/j/83193748925?pwd=s4DcG7Z9RPnbTMEr7BPt3EeQf8Rjd8.1" class="OWAAutoLink" id="OWAd0f36e39-c565-ec59-8b67-a9a15ce15732" href="https://us06web.zoom.us/j/83193748925?pwd=s4DcG7Z9RPnbTMEr7BPt3EeQf8Rjd8.1">https://us06web.zoom.us/j/83193748925?pwd=s4DcG7Z9RPnbTMEr7BPt3EeQf8Rjd8.1</a></div>
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Kintsugi 3D is a novel combination of photogrammetry technique and open-source software designed to capture and reproduce better color and specularity in 3D models of heritage objects. The photogrammetry technique utilizes a light source close to the camera's
lens axis – usually flash-on-camera or a ringlight – to capture photos where the specularity of an object's surface is recorded and reproducible. On the software side, Kintsugi 3D Builder uses a 3D model built in Metashape or Reality Capture as a starting
point to make and visualize improved texture maps that can be used in other 3D software such as Sketchfab, Blender, and Adobe's Substance Stager. The new texture maps that Kintsugi 3D Builder makes can include diffuse color, specularity, and normals. Kintsugi
3D Builder also builds and visualizes more complex surface-material information which is also supported by the public-oriented Kintsugi 3D Viewer, and we're working to get that materials information to be supported in more 3D environments.</div>
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At the Grab-a-Cup, Michael and Charles will talk about the photogrammetry technique and the Kintsugi softwares, and share some models made using the system. We'll have time for questions and advice about how to get started with the Kintsugi workflow.</div>
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<b>Charles Walbridge</b> is the Lead Collections Photographer at the Minneapolis Institute of Art (Mia). </div>
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<b>Michael Tetzlaff</b> is an Associate Professor of Computer Science at the University of Wisconsin–Stout and the lead researcher and developer on the Kintsugi 3D project.</div>
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<b>The Kintsugi 3D project</b> was supported by an NEH (U.S. National Endowment for the Humanities) grant in 2023, and all the initial grantees (UW–Stout, Mia, and Cultural Heritage Imaging) continue to support the project.</div>
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<span style="background-color: rgb(255, 255, 255);">After the presentation Q&A, we’ll move to Open Mic.</span></div>
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Hope to see you in December!</div>
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<span style="background-color: rgb(255, 255, 255);">Martina and the GaC Team</span></div>
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<span style="font-size: 10pt; color: rgb(156, 101, 0); background-color: rgb(255, 235, 156);"><b>CAUTION:
</b></span><span style="font-family: Calibri, sans-serif; color: red;"><b>EXTERNAL SENDER</b></span><span style="color: black;"> Do not click any links, open any attachments, or REPLY to the message unless you trust the sender and know the content is safe.</span></p>
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