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[width_mm/2 + h_margin, top_row, 0]; left_rib_x = thickness * 2; right_rib_x = width_mm - col_right - thickness; // 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 9 4.51215 vertex 0 -8.7482 5.33536 facet normal -0.95107 -0.308975 -3.97753e-05 vertex 0.408138 6.48717 19.9 vertex 4.33881 2.47079 19.9 vertex 0.408138 -6.48717 20 vertex 3.48287 5.48813 19.9 facet normal 0.000168718 -0.115745 -0.993279 vertex -4.80907 -0.598972 21.7653 facet normal 0.980786 0.195087 -2.08297e-07 vertex -3.16866 -1.2887 6.59 facet normal -0.258276 -0.111525 0.959612 facet normal -7.952302e-001 -6.063077e-001 0.000000e+000 vertex -4.519133e+000 -5.470537e+000 1.747200e+001 facet normal 7.640483e-01 -6.451590e-01 -3.270579e-04 vertex -1.030077e+02 9.441667e+01 1.055000e+01 facet normal -0.532838 -0.843287 -0.0703578 facet normal -0.737294 0.221424 -0.638255 facet normal -0.353627 -0.43089 0.83023 facet normal -0.771715 -0.635858 -0.0118532 vertex 2.05061 2.05061 19 facet normal -2.497601e-01 -9.683078e-01 0.000000e+00 vertex -1.024704e+02 1.039873e+02 1.055000e+01 vertex -9.993071e+01 1.056282e+02 2.550000e+00 facet normal -0.42307 0.690389 0.586835 vertex 5.83026 -1.96858 19.8418 vertex 1.9692 0.446949 19.9 vertex 3.48287 5.48813 20 vertex -4.7383 -4.44956 20 vertex -7.43821 2.945 20 vertex 7.74866 -1.98952 20 facet normal 7.021871e-01 -7.119924e-01 3.257290e-04 vertex -1.025752e+02 9.392239e+01 4.255000e+01 facet normal -0.243779 0.297045 0.92322 facet normal 0.290281 0.956941 1.92409e-06 facet normal 4.589969e-01 -8.884378e-01 3.476991e-04 facet normal -9.013511e-01 1.491429e-03 4.330867e-01 vertex -1.084402e+02 9.665134e+01 1.109822e+01 vertex -1.084398e+02 9.665134e+01 1.062078e+01 vertex -1.084653e+02 9.665134e+01 1.069591e+01 vertex -1.084654e+02 9.665134e+01 1.102307e+01 vertex -1.084964e+02 9.725134e+01 1.085988e+01 vertex -1.084964e+02 9.725134e+01 1.085988e+01 vertex -1.084229e+02 9.665134e+01 1.058613e+01 vertex -1.078264e+02 9.725134e+01 1.028031e+01 facet normal -0.0922671 0.172963 0.980597 vertex -5.35022 -5.0946 6.88312 facet normal -2.862063e-01 2.896355e-03 -9.581636e-01 vertex -1.057085e+02 9.725134e+01 1.281102e+01 facet normal -4.633145e-001 -8.124056e-001 3.540293e-001 vertex 3.748025e-002 -4.706431e+000 2.479508e+001 facet normal 3.183944e-15 -1.000000e+00 -1.165386e-14 facet normal -8.724433e-001 -3.885432e-003.

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