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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 7.13321 6.87796 facet normal -0.0973393 0.995186 0.0113559 vertex -5.71699 -1.07374 21.335 vertex -1.19444 -5.69312 21.335 facet normal -0.0817037 -0.0823248 0.993251 vertex -5.77664 -4.28775 7.9152 facet normal 0.0816193 0.828696 0.553715 vertex -9.71631 0.301613 3.26879 vertex 9.21464 -2.08528 3.54602 vertex -8.35972 -3.66179 3.76384 facet normal 0.528289 -0.575169 0.624573 facet normal 0.00965335 0.098007 0.995139 vertex -7.51042 -0.100274 6.0001 facet normal 2.068892e-01 0.000000e+00 -9.783644e-01 facet normal 4.011193e-07 -1.000000e+00 -5.821771e-07 facet normal 1.192792e-001 -9.928607e-001 0.000000e+000 vertex -1.168555e+000 6.931669e+000 1.747200e+001 facet normal -0.828666 0.0817378 0.553744 facet normal 9.286611e-01 4.719780e-04 -3.709291e-01 vertex -9.041368e+01 1.006749e+02 1.197185e+01 facet normal 0.683044 -0.365094 0.63258 vertex 3.34779 -8.08229 5.33536 facet normal 0.282974 0.360201 0.888921 facet normal -0.782844 0.468318 0.409675 vertex -4.34766 -5.77934 7.60514 vertex 4.43088 5.75031 7.41293 facet normal 0.367724 -0.111579 0.923217 vertex 8.81743 -1.78758 3.82299 vertex -7.50438 -4.96056 3.82299 facet normal -0.634342 0.77296 -0.0119448 facet normal 0.290276 0.956943 0 vertex -2.07867 1.38893 6.5 vertex -0.487725 -2.45196 6.5 vertex -2.5 0 6.5 vertex -2.45196 0.487725 6.7 vertex 2.45196 -0.487725 6.5 vertex -2.07867 -1.38893 6.5 vertex -2.45196 0.487725 6.5 vertex -0.956708 2.3097 6.7 vertex 2.07867 -1.38893 6.5 vertex 0.487725 -2.45196 6.5 facet normal 0.630656 0.76848 0.108218 facet normal -7.693146e-01 -1.734006e-04 6.388701e-01 facet normal 8.314602e-01 5.555843e-01 3.286856e-04 vertex -9.151829e+01 1.030637e+02 1.855000e+01 vertex -9.037196e+01 1.005020e+02 1.855000e+01 vertex -9.657910e+01 1.060488e+02 1.055000e+01 vertex -1.006624e+02 9.249908e+01 2.550000e+00 facet normal 0.703593 0.707111 0.0703601 facet normal -0.796857 -0.241719 0.553706 facet normal 0.392536 0.734388 0.553706 facet normal 0.0369052 -0.124337 0.991554 facet.

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