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But adjust to shift left and right columns toward the center center_adjust = 5; //mm left_col = 10 + center_adjust; right_col = width_mm - thickness*2; 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); 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 7.10284 6.88658 facet normal 0.403619 0.491815 0.771499 vertex 4.7566 7.11876 5.56266 facet normal -0.0808284 0.0827209 0.993289 vertex 4.28385 5.77925 7.9151 facet normal -9.258192e-14 -1.000000e+00 7.056682e-14 facet normal -0.353624 -0.430898 0.830227 facet normal -0.772957 -0.634346 -0.0119446 facet normal -6.586227e-001 -2.932799e-003 7.524676e-001 facet normal 0.049906 0.0857116 0.995069 vertex -5.16066 6.47125 19.9688 facet normal -0.0729369 0.0676723 -0.995038 vertex -5.35356 -8.44037 0.0482573 facet normal 6.188343e-01 -7.855215e-01 3.314906e-04 vertex -1.019905e+02 9.337708e+01 4.255000e+01 facet normal 1.433497e-001 2.530253e-001 9.567806e-001 vertex -5.238761e+000 -3.109499e+000 2.495400e+001 facet normal 0.946485 -0.307054 0.0994239 vertex 7.74866 -1.98952 20 facet normal 0.0816517 0.0813929 0.993332 vertex 4.19228 -4.77321 7.82455 facet normal -0.288896 -0.952376 0.0975692 vertex -8.80936 1.81418 4.51215 facet normal -9.960546e-001 -4.761063e-003 8.861465e-002 vertex 4.034431e+000 8.058850e-001 2.470218e+001 facet normal 0.989341 0.0974419 0.108207 facet normal -0.0816274 0.0817217 0.993307 facet normal -0.273151 -0.564052 0.779252 vertex 4.77601 -4.54597 7.16505 facet normal -0.290515 -0.956797 -0.0118781 facet normal 0.703592 -0.707112 0.0703598 facet normal -0.188081 -0.291196 0.937993 facet normal -9.715449e-001 2.368556e-001 0.000000e+000 vertex -3.960817e+000 -5.892582e+000 1.747200e+001 facet normal -9.507957e-01 8.916102e-03 -3.096902e-01 facet normal -0.163052 -0.820224 -0.548312 vertex 0.4 3.34543 14.8152 vertex -1.31069 3.16429 15.2987 vertex -0.4 3.34543 16.8559 facet normal -0.0820711 0.0818897 0.993256 facet normal -0.780265 0.0331712 0.624569 facet normal -2.146863e-001 3.694617e-001 9.041061e-001 facet normal 0.0074373 0.0992161 -0.995038 vertex -6.37165 -7.70201 0.0405665 vertex -6.36064 7.71004 0.0403056 vertex -6.26718 7.62083 1.31386 facet normal 0.766031 -0.0754507 -0.63836 facet normal -0.772555 -0.634846 0.0113566 vertex -5.7853 -4.29641 7.81019 facet normal 2.036585e-01 -3.207752e-03 -9.790367e-01 vertex -1.077492e+02 9.665134e+01 1.284061e+01 facet normal 1.000000e+00 0.000000e+00 vertex -9.029320e+01 9.769664e+01 1.855000e+01 vertex -9.463166e+01 9.225620e+01 1.055000e+01 facet normal 0.737729 -0.601759 0.30601 facet normal 9.722114e-01 -2.341047e-01 2.836258e-04 vertex -1.043276e+02 9.702352e+01 4.255000e+01 facet normal 0.780815 0.129484 0.611197 facet normal 0.260575 -0.962886 0.07036 facet normal 0.081207 -0.0813448 0.993372 vertex 4.42206 -4.42206 7.81454 facet normal.

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