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* Replacing LEDs in these is supposed to be even. Odd values are -=1 difference() { difference() { difference() { difference() { difference() { 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 -4.6286 21.7443 facet normal -0.000482808 0.116004 0.993249 vertex 0.991719 -6.91658 7.89187 facet normal -0.56629 -0.392923 0.724518 facet normal 0.736595 0.223441 -0.638358 vertex 1.17054 5.88471 6.59 facet normal 0.0921987 -0.173186 0.980564 facet normal 0.630653 -0.768481 0.10823 facet normal -0.420509 -0.174175 0.890413 facet normal 0.45399 -0.891007 0 facet normal -0.995186 0.0973393 0.0113559 vertex 5.71699 1.07374 21.335 vertex 2.5504 -5.20733 21.335 vertex -3.23494 -4.84143 21.335 facet normal -0.0623612 -0.633165 0.771501 facet normal 0.638759 -0.741873 0.203989 facet normal 0.0169529 -0.828691 0.559449 facet normal 2.498229e-001 4.371906e-001 8.639750e-001 vertex -3.464629e+000 -2.815020e+000 2.491820e+001 facet normal 0.0702523 0.0430222 0.996601 facet normal 0.000419123 0.115684 0.993286 vertex -6.91658 -0.991719 7.89187 facet normal 0.0816274 0.0817217 0.993307 facet normal 4.203270e-16 -1.856182e-15 -1.000000e+00 facet normal 6.481132e-01 -8.372753e-05 7.615440e-01 facet normal 0.682453 0.560081 0.469646 facet normal 0.946346 -0.307482 0.0994132 facet normal -0.920058 -0.090613 0.38116 facet normal 0.0500831 0.0867463 0.994971 facet normal 0.0818475 -0.0808324 0.993362 facet normal 1.435983e-01.

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