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//right_rib_x = width_mm - thickness*2; // draw 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 9.14279 3.76384 facet normal -0.982268 0.187482 0 vertex 2.69268 -2.0165 9.14546 vertex 2.69268 -2.0165 18.1498 facet normal -0.0759145 0.770773 0.63257 facet normal 0.595624 0.758286 0.265017 facet normal 6.013036e-01 7.990207e-01 -0.000000e+00 facet normal -0.618219 -0.682997 0.388999 facet normal -2.588559e-001 -1.152516e-003 9.659153e-001 vertex 5.248157e+000 -1.828417e-002 2.494118e+001 facet normal 0.453753 0.0357191 0.890411 facet normal -0.507679 -0.48977 0.708793 vertex 5.73082 -4.56864 7.24568 facet normal 0.0980045 -0.995186 0 vertex 8.31492 3.44415 3 facet normal 0.479403 0.871958 0.0993087 facet normal -0.876742 -0.46863 0.108209 facet normal -9.996069e-01 2.803745e-02 0.000000e+00 vertex -9.108914e+01 1.023807e+02 2.655000e+01 vertex -9.090395e+01 1.020222e+02 1.855000e+01 vertex -9.289963e+01 9.327794e+01 2.655000e+01 facet normal -0.30557 -0.114495 0.945261 facet normal -0.000213667 -0.116081 -0.99324 vertex 4.80907 0.598972 21.7653 vertex 4.71011 -0.41258 21.7538 facet normal 0.638745 0.741889 0.203973 vertex -4.37272 5.83103 7.67586 vertex 7.22332 -1.01854 7.61242 facet normal -3.261675e-01 -5.590515e-03 -9.452954e-01 vertex -1.056436e+02 9.695134e+01 1.279254e+01 facet normal 0.367773 0.111478 0.923209 facet normal -0.0727061 0.0568312 0.995733 vertex -0.0206242 -7.34599 6.86125 vertex -0.0610838 -7.13918 6.87866 facet normal -0.191474 -0.962647 -0.191437 vertex 0.4 3.34543 18.1498 facet normal 3.23411e-05 -0.113099 0.993584 vertex -0.143927 7.13584 6.89034 facet normal 8.707612e-01 -1.569950e-03 4.917037e-01 vertex -1.091710e+02 9.725134e+01 9.774870e+00 facet normal -0.022139 -0.096999 -0.995038 vertex -4.25372 -9.04499 0.0456265 facet normal 0.0500831 0.0867463 0.994971 facet normal 2.547723e-01 -7.749087e-04 9.670008e-01 vertex -1.080268e+02 9.665134e+01 8.942076e+00 facet normal 0.366853 0.924971 0.0992372 facet normal -0.0127267 -0.705404 0.708692 vertex 0.781299 -7.29119 7.20554 vertex 5.69935 -4.54285 7.24096 vertex 5.55594 4.46654 7.22283 vertex -4.54285 5.69935 7.24096 facet normal 6.911728e-01 -1.725568e-03 -7.226875e-01 facet normal 2.935467e-16 -1.741197e-15 -1.000000e+00 facet normal 0.489712 0.50788 0.708689 vertex -5.62839 -4.67928 7.09583 facet normal -0.55474 -0.0546157 0.830229 facet normal -0.25505 -0.430913 0.8656 facet normal 0.382434 -0.0376634 0.923215 facet normal 9.964629e-01 -8.403365e-02 -2.758694e-04 facet normal 0.115912 -0.000107246 0.993259 facet normal -0.268379 -0.884724 0.381099 facet normal -0.499988 0.866033 4.3475e-06 facet normal -9.402140e-01 -3.405843e-01 2.938192e-04 vertex -9.069224e+01 9.626480e+01 4.255000e+01 facet normal 0.0961519 -0.976251 0.194137 facet normal 0.284757 -0.938724 0.194192 facet normal 0.165341 -0.688669 0.705973 vertex 6.45265 -0.325107 19.4867 vertex 5.50469 -2.16809 19.8418 vertex.

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