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V_margin+12; // draw panel, subtract holes union() { difference() { 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 -9.96384 2.94279 facet normal -2.957014e-01 -6.813501e-03 9.552561e-01 facet normal 0.247474 -0.963792 0.0993091 facet normal -0.678289 0.205786 0.705391 facet normal -0.247465 0.963798 0.0992709 facet normal -0.18114 0.338909 0.923217 facet normal 0.556491 0.830854 -1.85843e-07 vertex -3.15398 1.32612 6.59 facet normal 0.367742 0.111553 0.923213 vertex -8.58402 2.55704 3.82299 vertex -8.98903 -0.111422 3.82299 facet normal -8.191618e-001 -2.377738e-003 5.735575e-001 vertex 5.093810e+000 -2.072080e+000 2.480400e+001 facet normal -0.996728 -0.0397771 0.07036 facet normal -0.462421 -0.865136 0.194181 facet normal 9.999901e-001 4.452774e-003 -0.000000e+000 vertex -3.990623e+000 -2.370713e+000 -1.681500e-003 facet normal -0.388502 0.486762 0.782387 facet normal 0.0820584 -0.0817537 -0.993269 facet normal -0.189023 0.787332 0.586838 facet normal -0.484683 -0.0154455 0.874554 facet normal 0.23112 -0.46415 0.855072 facet normal -0.0820584 -0.0817537 -0.993269 vertex 2.97699 3.82407 21.7653 facet normal -0.766708 0.634278 0.0992498 facet normal 0.0817217 -0.0816274 0.993307 vertex 5.16186 -5.26759 6.86461 facet normal 0.0363537 0.092629 -0.995037 vertex 2.39477 -9.68513 0.0386758 facet normal -0.499998 0.866026 0 facet normal 5.035336e-001 2.242491e-003 8.639727e-001 facet normal 0.992923 -0.0652571 0.0992248 facet normal 0.773058 0.634335 0 facet normal 4.478014e-001 7.852051e-001 4.276995e-001 vertex 4.685031e-002 -5.883039e+000 2.479508e+001 facet normal 5.564408e-02 9.984506e-01 -3.482704e-04 vertex -9.718411e+01 9.171143e+01 2.550000e+00 facet normal 2.890023e-001 -4.954587e-001 8.191449e-001 facet normal -0.690493 0.423115 0.586679 facet normal 0.956957 0.288279 0.0335818 vertex -1.02637 5.38893 21.833 facet normal -2.979088e-001 -5.204982e-001 8.002075e-001 vertex -4.663306e-003 4.758252e+000 2.492316e+001 facet normal 0.979666 -0.187891 0.0703596 vertex 9.42101 6.42313 0.18985 facet normal -0.695569 0.464483 -0.548123 facet normal 5.142266e-001 1.931329e-003 8.576522e-001 facet normal -7.808552e-001 -3.477092e-003 6.247024e-001 facet normal 0.0817037 -0.0823248 0.993251 vertex 5.59201 -4.18951 7.89187 facet normal -0.46415 -0.23112 0.855072 facet normal -8.631332e-01 1.002700e-03 -5.049753e-01 vertex -1.084271e+02 9.695134e+01 1.059390e+01 facet normal 0.115847 -6.62301e-05 -0.993267 vertex 5.10452 0.896427 21.7998 facet normal 0.0977941 0.989287 0.108382 facet normal -0.0816226 -0.828706 0.5537 facet normal -5.804319e-01 2.431244e-03 -8.143051e-01 facet normal 0.422016 0.362608 0.830914 facet normal 0.528267 -0.64375 0.553643 facet normal -0.11511 7.7227e-05 0.993353 vertex -6.27431 -0.210331 7.81694 facet normal 6.451849e-01.

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