I now have my own Utah teapot!
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@dougmerritt I'm still looking for a Blinn-ratio Utah teapot, that they produced for a short while!
@thalia
Hmm, I suppose these days a 3D printer could do it. -
I now have my own Utah teapot!
This ordinary teapot is the "hello world" object of computer graphics and has cameos in countless productions.
A thread on teapots and UNIX… 🧵
Photo: My Melitta teapot, 2026-04-16.
@thalia
An Evans and Sutherland vector graphics machine was in lab a math.utah.edu when I got there in 1980. -
@thalia
Hmm, I suppose these days a 3D printer could do it.@dougmerritt I have a 3D printed Blinn-ratio teapot and four tiny teapot halves. They're fun and embody the spirit of the model, but I wanted the real deal too.
https://discuss.systems/@thalia/115919368980584423 -
@thalia
An Evans and Sutherland vector graphics machine was in lab a math.utah.edu when I got there in 1980.@stevewfolds Do you know which model it was?
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I now have my own Utah teapot!
This ordinary teapot is the "hello world" object of computer graphics and has cameos in countless productions.
A thread on teapots and UNIX… 🧵
Photo: My Melitta teapot, 2026-04-16.
@thalia 418 i'm a teapot 🫖
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R relay@relay.mycrowd.ca shared this topic
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@dougmerritt I'm still looking for a Blinn-ratio Utah teapot, that they produced for a short while!
@thalia @dougmerritt That would be cool. I've never got my hands on a *real* one (i.e. correct brand). I wonder if you could 3d print a mold from the data then make a real one out of clay and glaze it?
When I built a life sized Cornell Box (now my 4yo's bedroom but the paint scheme stayed) during my house renovation I used the closest thing I could find at a local store which was recognizably a teapot but not The Teapot.
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I now have my own Utah teapot!
This ordinary teapot is the "hello world" object of computer graphics and has cameos in countless productions.
A thread on teapots and UNIX… 🧵
Photo: My Melitta teapot, 2026-04-16.
@thalia High five! Honestly, it's a good teapot design, and the fact it's such a prominent artifact in 3D graphics history had me getting one, too
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@stevewfolds Do you know which model it was?
@thalia The CRT looked like the Picture System 2. A gimbal mount allowed the monitor to tip up and down.
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I now have my own Utah teapot!
This ordinary teapot is the "hello world" object of computer graphics and has cameos in countless productions.
A thread on teapots and UNIX… 🧵
Photo: My Melitta teapot, 2026-04-16.
@thalia ooh, where did you get it from? aiui those melitta teapots were made by friesland porzellan https://mjg59.dreamwidth.org/47320.html but sadly they had a fire in 2023 which destroyed all their patterns and they can no longer make any more https://friesland-porzellan.de/produkte/information
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@thalia @dougmerritt That would be cool. I've never got my hands on a *real* one (i.e. correct brand). I wonder if you could 3d print a mold from the data then make a real one out of clay and glaze it?
When I built a life sized Cornell Box (now my 4yo's bedroom but the paint scheme stayed) during my house renovation I used the closest thing I could find at a local store which was recognizably a teapot but not The Teapot.
@azonenberg
A for effort!The next logical step is to upload yourself into...wait, I've lost track of this
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I now have my own Utah teapot!
This ordinary teapot is the "hello world" object of computer graphics and has cameos in countless productions.
A thread on teapots and UNIX… 🧵
Photo: My Melitta teapot, 2026-04-16.
@thalia Awesome thread. Seems like it would be a neat 50-year journey to 3D print a teapot from those original lines.
I know how to do exactly none of this. So I just have to admire and appreciate the folks who do.
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@thalia Awesome thread. Seems like it would be a neat 50-year journey to 3D print a teapot from those original lines.
I know how to do exactly none of this. So I just have to admire and appreciate the folks who do.
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@paco @thalia there's also an annual teapot rendering competition in one of our graphics classes: https://graphics.cs.utah.edu/trc/
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@paco @thalia there's also an annual teapot rendering competition in one of our graphics classes: https://graphics.cs.utah.edu/trc/
@paco @thalia and this, which carefully documents the history and various versions: https://graphics.cs.utah.edu/teapot/
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I now have my own Utah teapot!
This ordinary teapot is the "hello world" object of computer graphics and has cameos in countless productions.
A thread on teapots and UNIX… 🧵
Photo: My Melitta teapot, 2026-04-16.
@thalia Where is the Mandrill?
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I now have my own Utah teapot!
This ordinary teapot is the "hello world" object of computer graphics and has cameos in countless productions.
A thread on teapots and UNIX… 🧵
Photo: My Melitta teapot, 2026-04-16.
@thalia Maybe the Sutherland VW still exists? IIRC that was done by students crawling over the body with measuring instruments and tape.
I met Ivan Sutherland a couple of times when ballroom dancing in Palo Alto back in the 80s. Slightly starstruck I asked if he was the founder-of-CG Ivan Sutherland and he laughed "No, I'm the Ivan Sutherland who likes dancing". TAed for Jim Blinn's graphics course at Caltech; glad to see he finally swapped out that green sweater.
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A quick, preliminary analysis of the disk image before sharing showed it was a unique snapshot, earlier than V5. We could see Hunt the Wumpus, SNOBOL, and an older version of cc. Then within hours of my tape image upload to the Internet Archive, Angelo Papenhoff (@aap) produced a working SIMH emulation setup and published instructions. Within days, Jacob Ritorto had booted it on a real PDP-11/45 and Ashlin Inwood on a PDP-11/40, the two officially supported machines. And I visited the Interim Computer Machine to attempt booting on their "misspiggy" PDP-11/70, but more repairs were needed.
As a historical artifact, the UNIX V4 tape fills in a midpoint of a 19-month gap in UNIX source code. It was shortly after the kernel was rewritten from assembly into C and was rapidly growing into a system we recognize today. And at the University of Utah, it adds a connection in a history of pioneering computer science research, and I'm happy to have been involved.
Photo: UNIX V4 tape with a PDP-11/20 and UNIX V1 manual at the Computer History Museum, held by Jon Duerig and Thalia Archibald, 2025-12-19.
@thalia @aap @icm Where did you get it from? The factory which made them burned down a few years ago and to my knowledge this model of teapot has not been made since https://www.kreiszeitung.de/lokales/niedersachsen/grossbrand-rauch-varel-sieben-hallen-von-porzellanfabrik-in-vollbrand-video-zeigt-flammenmeer-92373560.html
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@thalia ooh, where did you get it from? aiui those melitta teapots were made by friesland porzellan https://mjg59.dreamwidth.org/47320.html but sadly they had a fire in 2023 which destroyed all their patterns and they can no longer make any more https://friesland-porzellan.de/produkte/information
@fanf I've been checking eBay every day for months.
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@dougmerritt I'm still looking for a Blinn-ratio Utah teapot, that they produced for a short while!
@thalia @dougmerritt Sadly the factory had a fire & they lost many of their pottery molds, including the Utah teapot ones
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@thalia @dougmerritt Sadly the factory had a fire & they lost many of their pottery molds, including the Utah teapot ones
