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Crn=ceil(chg/csh); echo("knurled cylinder max diameter: ", 2*cird); if( fsh < 0 shape(fsh, cird+cdp*smt/100, cord, cfn*4, chg); module shape(hsh, ird, ord, fn4, hg) { x0= 0; x1 = hsh > 0 ? Ord : ird; y0=-0.1; y1=0; y2=abs(hsh); y3=hg-abs(hsh); y4=hg; y5=hg+0.1; if ( hsh >= 0 module knurled_finish(ord, ird, lf, sh, fn, rn [ ord*cos(lf0), ord*sin(lf0), h0], [ ird*cos(lf0), ird*sin(lf0), h1], [ ird*cos(lf2), ird*sin(lf2), h1], [ ird*cos(lf2), ird*sin(lf2), h1], [ 0,0,h2], [ ord*cos(lf0), ord*sin(lf0), h0], [ ird*cos(lf1), ird*sin(lf1), h0], [ ird*cos(lf1), ird*sin(lf1), h0], [ ird*cos(lf1), ird*sin(lf1), h2], [ ord*cos(lf2), ord*sin(lf2), h0], [ ord*cos(lf2), ord*sin(lf2), h2] ], triangles=[ [0,1,2],[2,3,0], [1,0,4],[4,0,7],[7,8,4], [8,7,9],[10,9,7], [10,7,6],[6,7,0],[3,6,0], [2,1,4],[3,2,6],[10,6,9],[8,9,4], [4,5,2],[2,5,6],[6,5,9],[9,5,4] ], convexity=5); } } // Dead Philosophers elseif (strpos($article['link'], 'girlswithslingshots.com/comic/') !== FALSE) { // XKCD (alt tags we don't need a flat but not also under the Apache License, Version 2.0 (the "License"); MIT License (MIT) Copyright (c) 2013 Dustin Sallings Permission is hereby granted, free of charge, to any person obtaining a copy of MIT License #### The following license applies to GeographicLib, versions 1.12 and later. Copyright 2008-2012 Charles Karney Permission is hereby granted, free of charge, to any person obtaining a copy The MIT License Copyright (c) 2017 Kevin Burke. Permission is hereby granted, free of charge, to any person obtaining a copy MIT License Copyright (c) 2019 Josh Bleecher Snyder Permission is hereby granted, free of charge, to any person obtaining a copy of MIT License Permission is hereby granted, free of charge.

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