As you get older, you find yourself visiting places you wouldn’t even have thought of ten years ago. In recent years, these have increasingly been spa towns.
Blog
On this page I’ll post updates (currently 186) on my projects, about the technologies used interesting additions to my collections (mainly art). An overview of the last blog posts is available at Projektemacher.org.
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Colour etching by Mehmed Güler (1944-)
Friday, September 11, 2026
I bought a colour etching by Mehmed Güler (1944–) (on artnet)…
Post updated: Fliiifenleger - an IIIF experimental platform
Updated on Wednesday, September 9, 2026
Post updated: Digital "Lost Places"
Updated on Tuesday, August 25, 2026
Poor infrastructure
Thursday, August 20, 2026
Today I was travelling by train between Hanover, Paderborn and Göttingen…
A Note from Us: Updates Now Included in the Overview
Saturday, August 15, 2026
Many of the articles on my blog are updated from time to time—for example, in response to reader feedback, new research findings, or when projects or software have evolved. Since there have been more and more of these updates in recent months (and I’ve published fewer regular posts), the updated posts are now also listed in the post index by their update date.
Never Built Göttingen in 3D
Sunday, August 9, 2026
© OpenStreetMap contributors and own data
Following the launch of “Never Built Göttingen” in spring 2025, a new 3D visualisation is now available.
Post updated: "Patching" OpenStreetMap data
Updated on Sunday, August 9, 2026
Aquatint etching by Anna Kloubek-Schrutz (1878–?)
Saturday, August 8, 2026
I bought an etching by Anna Kloubek-Schrutz (1878–?) (on artnet)…
Post updated: The forgotten whalebones of Göttingen
Updated on Wednesday, August 5, 2026
Post updated: Linoleum cut by Malte Sartorius (1933-2017)
Updated on Friday, July 17, 2026
Colour lithograph by Karl Korab (*1937)
Tuesday, July 14, 2026
I bought a colour lithograph by Karl Korab (born 1937) (at artnet)…
Holzschnitt unbekannter Herkunft
Saturday, July 11, 2026
I have found a colour woodcut whose artist is unknown…
Woodcut print of unknown origin
Saturday, July 11, 2026
I’ve found a colour woodcut by an unknown artist…
Post updated: Woodcut print of unknown origin
Updated on Wednesday, July 8, 2026
Entex Soccer: A handheld game from 1979
Thursday, July 2, 2026
I also collect old electronic games; today I found a handheld console from 1979 at Zeitzeug.