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= 4.2; /* [External Indicator (optional)] */ // Four hole threshold (HP four_hole_threshold = 10; // Number of indenting spheres. [mm] sphere_indents_radius = 3; difference() { difference() { difference() { union() { difference() { union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=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 -6.25374 7.81454 facet normal 9.413415e-01 4.649372e-03 -3.374233e-01 facet normal -0.583826 -0.805791 0.099236 facet normal 0.365745 -0.300158 0.880985 vertex -6.92976 4.63032 5.74921 facet normal -0.225353 0.544079 0.808204 vertex 5.62155 1.68133 19.4867 vertex 2.6794 1.7206 19.8418 facet normal -9.659165e-001 -4.301043e-003 2.588180e-001 facet normal 0.07297 -0.0676954 0.995034 vertex 0.505698 -7.98874 19.9508 vertex 0.703367 9.38579 20.0916 facet normal 0.235679 -0.201291 0.950756 vertex 3.53409 -0.865913 18.9636 vertex 5.62459 0 18.9636 facet normal 0.0817537 -0.0820584 -0.993269 facet normal -0.0766184 -0.956715 0.280761 facet normal 0.000121792 -0.113541 0.993533 vertex -0.314948 7.31329 6.91056 facet normal -0.630708 -0.768445 0.108161 facet normal -0.773014 0.634388 0 facet normal 0.547916 -0.449666 0.705399 vertex 8.10352 5.4146 3.26879 facet normal 0.114147 0.100183 0.9884 vertex -0.221399 7.2243 6.88859 facet normal 0.63014 -0.772994 0.0735165 vertex -5.10452 -0.896427 21.7998 facet normal 0.097633 0.989318 0.108249 facet normal 2.129173e-001 -3.650203e-001 9.063258e-001 facet normal -1.300447e-15 -5.088751e-15 1.000000e+00 facet normal -0.0622132 0.0777088 0.995033 facet normal -3.255714e-001 -5.725291e-001 7.524717e-001 vertex -4.101266e+000 -2.435252e+000 2.490742e+001 facet normal -0.288045 -0.957542 -0.0119981 facet normal 3.176416e-001 1.414066e-003 9.482098e-001 facet normal 0.367742 0.111553 0.923213 vertex -3.33701 8.34742 3.82299 facet normal 0.472777 0.88054 0.0336276 facet normal -0.993097 0.0624143 0.0993142 facet normal 4.589969e-01 -8.884378e-01 -3.456721e-04 vertex -9.426339e+01 9.242099e+01 1.855000e+01 vertex -9.047274e+01 1.008927e+02 3.455000e+01 facet normal -0.225353 -0.544079 0.808204 facet normal 0.119229 0.101845 0.987629 facet normal -0.55208 -0.109816 -0.826528 vertex 2.93351 -1.2151 18.7502 vertex 2.9008 0 18.9335 facet normal -0.305317 0.0393762 0.951436 facet normal 0.0994789 -0.021876 -0.994799 vertex 9.99509 4.54744e-06 0.0491304 facet normal 9.600727e-01 0.000000e+00 -2.797506e-01 vertex -1.092962e+02 9.715134e+01 1.173829e+01 vertex -1.093446e+02 9.695134e+01 1.157216e+01 facet normal 0.00965335 0.098007 0.995139 vertex 1.52046 -7.64388 5.97318 vertex 6.3004 -4.08919 6.0001 facet normal 0.635858 -0.771715 -0.0118532 facet normal 6.903770e-01 8.143624e-05 7.234498e-01 facet normal 3.708735e-01 -2.162069e-03 9.286809e-01 vertex -1.081492e+02 9.725134e+01 8.982765e+00 facet normal -0.845944 -0.52861 0.0703598 facet normal -0.118608 0.286346 0.950757 vertex 5.49111 0.55595 18.9636 vertex 4.92823 -0.528226 18.8084 facet normal 0.630673 0.768469 0.108201 facet normal 9.127763e-01 4.084597e-01 -0.000000e+00 vertex -1.045657e+02 9.849792e+01 3.455000e+01 vertex -9.858900e+01 9.181025e+01 2.655000e+01 facet normal 0.828706 -0.0816226 0.5537 facet normal -0.828702 0.0816302 0.553705 facet normal -0.634846 -0.772555 0.0113566 facet normal 0.575172 0.528276 0.624582.

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