Today’s #genuary2021 prompt is Rule 30. Glad to have the time today to participate so here’s a couple of new #plottertwitter variations I created. Random initial states.
I used the HP 7550+ for the one Rule 30 plot. I’m still astonished that it’s this fast. #plottertwitter
I’ve done some other variations of this rule set in the past. A couple of years ago, I combined several rules together into one CMY plot. #plottertwitter
And Wolfram’s rules on thermal receipt printers.
Also on a NEC Spinwriter daisywheel printer with Python. It was called “spinrule” natch. I forget which rule this is. Looks like 30.

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More from @paulrickards

27 Dec 20
The newest plotter in my collection is also a.. calculator? The Sharpgraph EL-7050 plotting calculator could produce circle, line, band, and bar charts on 2.25” paper using the micro Alps mechanism. Anyone have a service manual? #plottertwitter
Lurking inside is a NiCD 4xAA battery pack that’s typical from 1983. It’s leaking so out it goes. You can also see the Alps DPG-1301 micro plotter mechanism and the power section.
The main board is attached to the top half. Logic on the bottom, membrane keypad and LCD display on top. A few bodges and trace cuts that seem to be interrupting ground. I wonder why?
Read 4 tweets
12 Jan 17
Pen plotter symphony #plottertwitter
Box fitting, filling, time lapse #plottertwitter
Box fitting, white gel pen on black paper. I need to find a better way to pause/resume plots #plottertwitter
Read 97 tweets

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