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Holes 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 9 4.51215 vertex 0 -9.96384 2.94279 facet normal -0.0820856 -0.0820533 -0.993242 vertex 4.02975 -3.69322 21.8414 facet normal -8.972304e-01 -4.415627e-01 -3.156530e-04 vertex -1.037469e+02 1.022558e+02 2.550000e+00 facet normal -0.615692 -0.525864 0.586848 facet normal -0.61602 -0.52598 0.5864 vertex 6.29579 -1.61648 19.9323 facet normal -0.615997 0.526063 0.586349 vertex 6.27392 1.68379 19.9697 facet normal -0.555569 0.831471 0 vertex 0.927051 2.85317 0 vertex -3.13809 -1.3499 6.59 facet normal -6.870092e-01 7.266487e-01 0.000000e+00 vertex -9.229838e+01 1.039874e+02 1.055000e+01 vertex -9.758449e+01 9.171143e+01 2.550000e+00 facet normal -0.124395 0.48503 0.865605 facet normal -2.455231e-01 -5.900450e-03 -9.693728e-01 vertex -1.079790e+02 9.695134e+01 1.031715e+01 facet normal -0.734388 -0.325732 0.595461 vertex 7.02194 0.878851 7.39225 facet normal 0.995186 0.0973393 0.0113559 vertex -1.07374 -5.71699 21.335 facet normal -4.01859e-05 -0.0975714 -0.995229 facet normal -2.890018e-001 4.954581e-001 8.191454e-001 facet normal 0.0980109 -0.00964667 0.995139 facet normal 0.0430222 -0.0702523 0.996601 facet normal 0.307702 0.502123 0.808203 facet normal 0.690376 -0.423091 0.586835 vertex 5.83026 -1.96858 19.8418 vertex 2.54828 0.943498 19.4867 facet normal -0.0819349 0.0819588 -0.993262 facet normal 8.555891e-01 -4.584470e-03 5.176353e-01 facet normal 0.292516 -0.954699 0.0546275 facet normal -4.127394e-001 7.075913e-001 5.735510e-001 facet normal -4.085749e-13 -1.000000e+00 3.777603e-15 facet normal -0.124736 -0.987195 0.0994379 facet normal -3.743440e-01 1.124817e-03 9.272892e-01 vertex -1.053986e+02 9.725134e+01 9.033265e+00 facet normal -0.144863 0.0600186 0.98763 vertex 4.51398 -0.223703 18.7299 facet normal 6.428559e-01 -2.299961e-03 7.659837e-01 vertex -1.089743e+02 9.695134e+01 5.884033e+00 vertex -1.088952e+02 9.665134e+01 5.816697e+00 facet normal 0.137901 -0.106559 0.984697 vertex -5.29418 -5.16563 6.86711 vertex 7.40505 0 6.86814 vertex 7.39065 -0.0879059 6.86646 facet normal -0.0938358 0.952717 0.289008 vertex -8.97218 0 4.79464 facet normal 0.84476 0.442038 0.301633 facet normal 1.108280e-13 -1.000000e+00 2.993235e-13 vertex -1.073417e+02 9.665134e+01 1.021420e+01 vertex -1.071780e+02 9.665134e+01 1.020809e+01 vertex -1.068490e+02 9.665134e+01 1.020704e+01 facet normal -1.333467e-01 3.798083e-03 -9.910622e-01 vertex -1.075611e+02 9.695134e+01 1.023347e+01 facet normal 0.0820835 0.0815518 0.993283 vertex 5.39153 4.12931 7.87036 facet normal 4.633939e-01 -6.112069e-03 8.861313e-01 vertex -1.083882e+02 9.665134e+01 9.085053e+00 facet normal -4.064200e-001 -7.112353e-001 5.735565e-001 facet normal -1.511299e-15 -2.759487e-15 -1.000000e+00 facet normal 0.705404 0.0127267 0.708692 vertex -7.29119 0.781299 7.20554 facet normal 0.773019 -0.630109 0.0735129 facet normal -0.737729 0.601759 0.30601 facet normal 0.479377 -0.871972 0.0993103 facet normal -9.342429e-01 -3.566373e-01 3.159233e-04 facet normal 0.964141 0.255892 -0.0703715 vertex -3.4666 -8.83276 6.17308 vertex -3.2059 -8.2001 11.7816 facet normal 0.125325 -0.992116 0 facet normal -0.76932 -0.631369 0.0975751 vertex -6.31675 6.4027 4.51216 facet normal -0.491592 0.262761 0.830237 facet normal -0.643664 0.528347 0.553666 facet normal -4.328582e-001 -7.575036e-001 4.886943e-001 facet normal 1.284292e-001 2.247513e-001 9.659155e-001 facet normal 0.539147 0.334131 0.773096 facet normal -0.0221389 0.0969909 -0.995039 vertex -1.87049 -9.81842 0.0484689 facet normal 3.508225e-001 6.139395e-001 7.071081e-001.

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