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A safety margin // margins from edges v_margin = hole_dist_top*5; width_mm = hp_mm(h); difference() { difference() { // Joy of Tech elseif (strpos($article['link'], 'amultiverse.com/comic/') !== FALSE) { $img = $matches[1]; $img = preg_replace("@height=\"\d+\"@", "", $img); $img = preg_replace("@height=\"\d+\"@", "", $img); $img = preg_replace("@width=\"\d+\"@", "", $img); $article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']/img", $article); } // XKCD (alt tags we don't need to call out for elseif (strpos($article['content'], 'www.asofterworld.com/index.php?id') !== FALSE ) { union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -2.5 6.5 vertex -2.3097 0.956708 6.5 vertex -0.487725 2.45196 6.5 vertex -2.45196 0.487725 6.7 vertex 1.38893 -2.07867 6.7 vertex 0.956708 -2.3097 6.7 vertex 0.487725 2.45196 6.5 vertex -2.3097 -0.956708 6.7 vertex -2.3097 -0.956708 6.5 vertex 1.38893 2.07867 6.5 facet normal -0.63014 0.772994 0.0735165 facet normal -6.268041e-16 -4.480577e-15 1.000000e+00 facet normal -0.956871 -0.290269 -0.0119204 vertex 2.84428 0.565762 19 facet normal -4.851187e-001 -8.489580e-001 2.095952e-001 facet normal -6.576019e-07 -1.000000e+00 -5.462696e-07 vertex -1.045783e+02 9.665134e+01 1.212086e+01 facet normal 0.807217 0.0635208 0.586827 vertex 1.95005 -0.326085 19.9 vertex 0.408138 -6.48717 20 vertex 6.82354 0.787456 20 vertex 6.91689 -0.398636 20 vertex -5.25861 -3.8206 20 vertex -5.25861 3.8206 20 vertex -4.14326 -5.00834 19.9 facet normal 0.00133256 0.116082 0.993239 vertex 1.05962 -7.18529 7.92322 facet normal 0.681165 0.725369 0.0992665 facet normal -0.991524 0.109224 -0.0703593 vertex 4.76941 8.07987 6.03331 vertex 4.74434 8.21743 6.17306 vertex -0.709089 9.46214 6.17307 facet normal 0.471385 0.881927 -0 facet normal -8.724432e-001 -3.884926e-003 4.887000e-001 facet normal -0.83147 0.55557 3.3097e-08 vertex 3.15183 -1.32933 6.59 facet normal 9.996066e-01 -2.803745e-02 7.234565e-04 facet normal 0.634341 0.773053 -5.92546e-06 facet normal -9.877526e-001 -1.560280e-001 0.000000e+000 vertex -3.012618e+000 4.746768e+000 1.747200e+001 facet normal 0.479352 -0.871992 0.0992555 facet normal -2.879638e-001 4.960612e-001 8.191459e-001 facet normal 0.433637 0.161777 0.886446 facet normal -0.796851 -0.241732 0.553709 facet normal 1.519551e-001 9.883874e-001 -0.000000e+000 vertex 5.326315e+000 1.930454e+000 2.496000e+001 vertex 6.771266e+000 2.081886e+000 1.747200e+001 facet normal 0.114987 -0.957361 0.265023 facet normal -0.962691 -0.191173 -0.191515 facet normal 0.643673 0.528246 0.553752 facet normal 2.956752e-001 5.170185e-001 8.032858e-001 vertex -5.102053e+000 -3.029756e+000 2.488918e+001 facet normal -0.0865364 0.878606 0.469642 vertex 1.73373 8.71606 5.07603 facet normal 0.594346 0.478923 0.646054 facet normal -3.136030e-08 -1.000000e+00 -7.682069e-07 facet normal -0.831464 -0.555578 -1.13595e-06 vertex 2.69268 2.0165 6.59 facet normal -0.392551 0.734383 0.553702 facet normal 0.938727 0.284751 0.194185 facet normal -0.920082 -0.0906197 0.381101 vertex -2.27473 9.67202 2.94279 facet normal 0.989315 0.0975872 0.108317 facet normal 0.255018 -0.430921 0.865606 vertex 6.94062 -0.483852 7.05523 facet normal 7.241379e-01 -6.896552e-01 0.000000e+00 facet normal 0.768481 -0.630653 0.10823 facet normal 0.243768 -0.297059 0.923219 facet.

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