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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 2.5 6.7 vertex 2.45196 -0.487725 6.7 vertex 2.3097 0.956708 6.5 vertex -0.487725 2.45196 6.7 vertex 2.07867 -1.38893 6.5 vertex -2.3097 0.956708 6.5 vertex -1.38893 2.07867 6.5 facet normal 0.225368 0.54408 0.8082 facet normal 0.0921987 -0.173186 0.980564 facet normal 0.0729941 0.976261 0.203926 vertex -1.01854 7.22332 7.61242 facet normal -0.129416 0.645447 0.752761 facet normal 0.734381 -0.392549 0.553705 facet normal -0.338904 0.0729974 0.937985 facet normal 0.264755 -0.918689 0.293113 vertex -4.13938 -5.6469 10.3435 facet normal -3.731894e-001 6.401190e-001 6.715485e-001 facet normal 0.097362 0.0300634 -0.994795 vertex 9.68118 -2.4857 0.0479967 facet normal -4.120040e-001 -9.111820e-001 0.000000e+000 vertex 3.043209e+000 -6.442358e+000 1.747200e+001 facet normal 0.472793 0.880533 0.0335807 facet normal -9.992182e-001 -4.449183e-003 3.928455e-002 vertex 4.023967e+000 2.304217e+000 2.464800e+001 facet normal 8.660254e-01 -5.000000e-01 6.153397e-16 facet normal -0.205786 -0.678289 0.705391 vertex 9.28685 -1.84727 3.54602 facet normal 0.92061 0.302869 0.246468 facet normal -0.272878 0.0376859 0.96131 facet normal -0.401182 -0.913292 0.07036 vertex -5.70114 -9.87467 0.18985 vertex -9.06712 -2.79684 6.17307 vertex -9.72545 0.133431 2.66152 vertex -8.83023 0 11.6977 facet normal 7.691012e-16 7.910530e-01 6.117476e-01 facet normal 2.068892e-01 0.000000e+00 -9.783644e-01 facet normal -4.252351e-001 -7.449304e-001 5.140563e-001 facet normal 0.875977 -0.471404 0.102188 vertex 6.43809 -0.596366 7.83604 vertex 4.97321 4.12613 7.83559 facet normal -5.035335e-001 -2.242198e-003 8.639727e-001 facet normal -3.934379e-001 6.745010e-001 6.247039e-001 facet normal 0.634341 -0.773053 -1.43199e-05 facet normal 0.00133256 -0.116082 0.993239 vertex 1.05962 -7.18529 7.92322 facet normal -0.296642 0.135306 0.945355 vertex -0.26034 7.27143 6.89409 vertex -5.35776 -4.75988 6.96188 vertex -7.04362 0.568952 7.06725 vertex -7.24156 0.469754 6.97207 facet normal 8.383577e-02 9.964796e-01 2.517037e-06 facet normal 0.779907 0.400391 0.481074 facet normal -4.589668e-01 -8.884534e-01 0.000000e+00 vertex -1.038646e+02 9.578044e+01 2.655000e+01 facet normal -0.630682 0.768461 0.108208 facet normal 6.621969e-01 7.493298e-01 -3.345441e-04 vertex -1.019954e+02 1.044215e+02 2.550000e+00 facet normal -0.527664 -0.64416 0.55374 facet normal 1.494117e-01 -2.539052e-03 9.887718e-01 facet normal 4.116387e-001 -7.082235e-001 5.735618e-001 vertex -7.571636e-001 5.367021e+000 2.480400e+001 facet normal -0.0975476 0.99044 0.0975398 vertex 1.69511 -8.83305 4.51215 facet normal 0.740031 0.607321 0.288991 vertex -6.34429 -6.34429 4.79464 facet normal -0.181148 0.3389 0.923218 vertex 7.92022 -4.18257 3.82299 vertex 9 0 3.82299 vertex 1.79875 8.81404 3.82299 facet normal 4.252352e-001 7.449303e-001 5.140563e-001 vertex -5.025024e+000 -2.984825e+000 2.479508e+001 facet normal 0.049906 -0.0857116 0.995069 vertex -6.83882 4.66263 19.9688 facet normal -0.946371 -0.307492 0.099151 facet normal -0.36774 -0.111504 0.92322 vertex -8.82707 -1.75581 0 vertex -9.06712 2.79684 6.17308 facet normal 0.6852 0.343403 0.64232 facet.

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