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-=1 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 -8.56166 5.56266 facet normal 7.691012e-16 7.910530e-01 6.117476e-01 facet normal 0.090613 -0.920058 0.38116 facet normal 9.513109e-001 -3.082331e-001 0.000000e+000 vertex -2.441682e+000 -5.133782e+000 2.496000e+001 vertex -3.550667e-007 -9.984000e+000 0.000000e+000 vertex 6.805400e+000 -2.057571e+000 9.983999e+000 vertex -2.733144e+000 -6.561450e+000 9.983999e+000 vertex 7.092029e+000 -3.352929e-001 2.496000e+001 vertex 4.517993e+000 -5.507795e+000 2.496000e+001 vertex -4.217378e+000 -3.791486e+000 1.747200e+001 facet normal 0.989343 0.0974261 0.108205 facet normal 7.071059e-001 1.829370e-003 7.071053e-001 vertex -5.083324e+000 1.988821e+000 2.484855e+001 facet normal 9.964596e-01 4.138940e-03 8.397109e-02 vertex -1.093935e+02 9.665134e+01 1.047174e+01 facet normal 9.795860e-01 8.822657e-06 2.010256e-01 facet normal -0.618898 -0.265121 0.739376 facet normal 1.029044e-01 6.892302e-03 9.946674e-01 facet normal 0.995171 0.0981585 0 vertex -1.31069 3.16429 12.85 vertex 1.54908 3.005 12.85 vertex 1.31069 3.16429 12.85 vertex 1.31069 3.16429 8.44867 facet normal 0.547909 -0.449652 0.705414 vertex -6.69544 -6.69544 3.54602 facet normal 0.220665 0.32036 0.921236 facet normal 0.946342 -0.307486 0.0994494 facet normal 0.118607 -0.286344 0.950757 facet normal 4.928418e-001 -8.701189e-001 0.000000e+000 vertex -4.866983e+000 5.072126e+000 2.496000e+001 vertex 2.260702e-001 7.029575e+000 9.983999e+000 vertex -6.938168e+000 -1.320255e+000 1.747200e+001 facet normal 0.479355 0.871971 0.0994281 facet normal -9.527696e-01 -3.036928e-01 8.499575e-04 vertex -1.041733e+02 9.652563e+01 1.855000e+01 vertex -1.005052e+02 1.053817e+02 2.655000e+01 facet normal 0.995114 -0.0980118 -0.0119198 facet normal -0.768483 0.630654 0.108209 vertex 3.18104 4.87024 21.335 vertex -1.11698 -5.25446 22.0001 vertex 3.74837 3.84796 22.0001 vertex -1 6.92882 7.8933 vertex -1 6.36215 13.3567 vertex 1 6.38819 12.8541 vertex 1 7.23003 7.56779 vertex -1 5.27986 22.0001 vertex 3.80307 -3.80307 22.0001 vertex -0.978841 -5.28194 22.0001 vertex -3.74837 3.84796 22.0001 vertex 0.978841 -5.28194 22.0001 vertex -2.92564 4.50529 22.0001 vertex -2.92564 4.50529 22.0001 vertex 3.80307 -3.80307 22.0001 vertex 0 10.1904 0 vertex 9.41467 -3.89968 0 vertex 9.8813 2.36142 2.19603 vertex 10.1139 0 2.58057 facet normal 0.392539 -0.73439 0.553701 vertex -4.11794 9.04239 2.94279 facet normal -0.4714 0.88192 -2.43656e-06 facet normal -1.284295e-001 -2.247515e-001 9.659154e-001 vertex 1.723051e+000 5.006375e+000 2.494118e+001 facet normal 0.000664863 0.116361 -0.993207 facet normal -3.727482e-02 -2.755958e-03 -9.993013e-01 facet normal 0.421912 -0.362633 0.830956 vertex -4.72589 -5.62591 7.07423 vertex 0.49869 -7.3363 6.98312 facet normal 9.413415e-01 4.649372e-03 -3.374233e-01 facet normal 0.462421 0.865136 0.194181 vertex -5.31736 -8.65691 2.19603 facet normal.

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