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Photo taken at: Japanese Canadian Cultural Centre
… except I just made it in OpenSCAD:
// 12-sided box flower - scruss, 2017 // uses HSV library // from https://www.thingiverse.com/thing:279951 // function hsvToRGB(h, s, v, a) use <hsvtorgb.scad>; r = 10; ulx = r * cos(60); uly = r * sin(60); lrx = r * cos(30); lry = r * sin(30); side = lrx - ulx; for(j = [0:11]) { for(i = [0:11]) { color(hsvToRGB(i / 12, 1, (24 - j) / 24, (48 - j) / 48)) { rotate(j * 15) { scale(pow(sqrt(2), j)) { rotate(i * 30) { translate([ulx, lry]) { square(side); } } } } // a simple joy that } // python programmers } // will never know }
Picked up at Junk Independence Day, these are unencapsulated silicon chips. You can make out the solder pads around the top edges, and I think the two solid blocks are PROM storage. The chips are supposedly Mosel MSS1002-14T speech generator ROMs from 1991.
To give an idea of scale, the outside walls of each cell are 3.8 mm / 0.15ʺ.
Here’s another photo, taken through a very cheap 8× loupe with a cellphone camera: