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+ thickness; right_rib_x = width_mm - thickness*2; // draw panel, subtract holes 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 10.1139 2.58057 vertex -6.86157 7.38961 2.58057 vertex -9.77239 1.94385 2.94279 vertex -8.86128 -3.99693 3.26879 facet normal -0.097575 0.990435 0.0975568 vertex -1.75581 -8.82707 3.82299 facet normal 0.695306 -0.464958 -0.548054 facet normal 4.926597e-001 -8.446042e-001 2.095953e-001 facet normal 0.101834 -0.119237 0.98763 facet normal 0.920058 0.090613 0.38116 vertex 9.92995 -0.344109 2.94279 vertex 0 7.13321 6.87796 facet normal 0.544076 -0.225367 0.808202 facet normal -5.606763e-14 -1.000000e+00 -1.177125e-14 facet normal 9.995672e-01 0.000000e+00 -2.941908e-02 facet normal -0.0626028 -0.0782151 0.994969 vertex 5.83823 5.47753 19.9426 facet normal -0.615692 0.525864 0.586848 facet normal -0.433637 0.161777 0.886446 facet normal -0.736595 -0.223441 -0.638358 facet normal 0.484683 -0.0154455 0.874554 facet normal 0 -0.110432 -0.993884 vertex -1.31069 3.16429 8.44867 facet normal -8.465037e-01 -5.104532e-03 5.323584e-01 vertex -1.045610e+02 9.665134e+01 9.661099e+00 facet normal -0.0921987 -0.173186 0.980564 facet normal 0.000209061 -0.115803 0.993272 facet normal 9.513106e-001 -3.082340e-001 0.000000e+000 vertex -5.241066e+000 -2.130983e+000 9.983999e+000 vertex 4.952763e+000 5.031641e+000 2.496000e+001 vertex -5.367797e+000 1.709973e+000 9.983999e+000 vertex -4.397973e+000 -3.577460e+000 9.983999e+000 vertex 4.403623e+000 -3.613747e+000 1.747200e+001 facet normal -0.869711 0.0906015 0.485175 vertex -4.35153 -4.6363 7.51116 facet normal -0.76849 -0.630641 0.108235 facet normal -0.392534 -0.734389 0.553705 facet normal -0.286094 0.952737 0.102192 facet normal -0.090613 -0.920058 0.38116 facet normal -7.266719e-01 6.869846e-01 -1.628592e-04 facet normal -0.61602 0.52598 0.5864 facet normal 0.989339 0.0974854 0.108192 facet normal 7.859011e-01 2.680818e-03 6.183464e-01 facet normal 0.880763 -0.468301 0.0703597 vertex 8.37117 1.26175 17.8205 facet normal 0.989353 -0.0972815 0.108241 facet normal -0.875976 0.471404 0.102197 facet normal 0.0951908 0 -0.995459 vertex 9.99493 -0.0024623 0.0491151 facet normal 0.695529 -0.464728 -0.547966 facet normal -0.491816 0.403622 0.771496 facet normal -3.983055e-001 -6.974548e-001 5.957428e-001 vertex -5.345147e-003 5.839156e+000 2.484593e+001 facet normal -0.740031 -0.607321 0.288991 vertex 3.4335 -8.28921 4.79464 facet normal 8.884378e-01 4.589969e-01 3.226323e-04 vertex -9.108914e+01 1.023807e+02 1.855000e+01 facet normal -0.0821527 0.0555744 0.995069 facet normal -0.468635 0.876739 0.108209 vertex -5.71086 -1.13596 21.335 facet normal 1.413998e-07 -1.000000e+00 -6.834657e-07 facet normal -9.890313e-01 -1.662785e-03 -1.476967e-01 facet normal -0.325732 -0.734388 0.595461 vertex -0.878851 -7.02194 7.39225 vertex 5.55594 4.46654 7.22283 vertex -5.75031 4.43088 7.41293 facet normal 0.839833 -0.533683 0.0993123 vertex 8.09017 -5.87785 0 facet normal -0.597991 -0.573973 0.55943 vertex -5.74517 4.54413 7.2866 facet normal -0.338909 0.18114 0.923217 vertex 7.48471 -5.22233 3.76384 facet normal -9.715453e-001 2.368537e-001 0.000000e+000 vertex -4.726331e+000 -3.123942e+000 2.496000e+001 vertex -5.493214e+000 -1.330315e+000 9.983999e+000 vertex 2.178457e+000 -5.267156e+000 9.983999e+000 vertex 5.995389e-007 7.987200e+000 0.000000e+000 facet normal -0.976242 0.096139 0.194186 facet normal 0.116119 0.000195511 0.993235 vertex -5.26759 -5.16186 6.86461 facet normal -3.817616e-02.

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