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Thickness * 1.2; 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); cylinder(h=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); 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 3.82299 vertex -8.26214 -3.54289 3.82299 vertex 1.78367 -8.96712 3.76384 vertex 9.31122 -1.59974 3.54602 facet normal 0.555571 -0.831469 0 vertex 2.85317 0.927051 0 vertex -2.42184 -2.42184 6.59 facet normal 0.0393762 -0.305317 0.951436 facet normal 9.988974e-01 9.452673e-15 -4.694738e-02 facet normal 0.992162 0.101047 0.0735128 vertex -2.95564 4.03376 21.7809 vertex -2.97699 -3.82407 21.7653 facet normal 1.773479e-001 3.077163e-001 9.348040e-001 vertex 3.836165e-002 -4.904383e+000 2.495400e+001 facet normal 0.877365 -0.466832 0.110898 facet normal 0.0822333 -0.0819177 -0.993241 facet normal 5.080607e-01 8.613212e-01 3.463406e-04 vertex -9.390516e+01 1.051966e+02 3.455000e+01 facet normal -0.995186 0.0980045 0 vertex 1.98804 9.99456 2.19603 vertex -6.86157 -7.38961 2.58057 vertex -9.81063 2.33215 2.58057 facet normal -0.828672 0.0815232 0.553766 facet normal 9.512738e-01 -1.552756e-03 3.083435e-01 vertex -1.052128e+02 9.725134e+01 1.101732e+01 facet normal -0.532912 0.843241 -0.0703492 vertex -3.4666 8.83276 6.17308 vertex -7.83991 5.34516 6.17309 facet normal -4.905600e-002 8.528685e-002 9.951481e-001 facet normal -0.403622 -0.491816 0.771496 facet normal -9.352259e-001 -4.961054e-003 3.540168e-001 vertex 4.042917e+000 2.315271e+000 2.476740e+001 facet normal -0.0364459 0.0926003 0.995036 vertex -7.90596 -1.19163 19.9499 facet normal -7.021630e-01 -7.120162e-01 3.257290e-04 vertex -9.247799e+01 9.364177e+01 4.255000e+01 facet normal -0.0998673 0.114117 0.988435 facet normal -0.58489 -0.80501 0.0993097 facet normal 0.0728432 0.0676094 0.995049 vertex -4.98675 6.25319 19.9413 facet normal -0.469149 0.877713 0.0975696 vertex -7.512 -4.9463 4.51216 facet normal 0.106256 0.442581 0.890411 facet normal -0.421013 0.192217 0.886454 facet normal 9.017155e-001 3.614250e-003 4.323149e-001 facet normal 0.284755 -0.938725 0.194192 facet normal 1.995070e-01 -6.332426e-04 9.798962e-01 vertex -1.079020e+02 9.725134e+01 8.909213e+00 facet normal -0.991506 -0.0943295 0.089547 vertex -4.98277 4.13938 7.73103 facet normal 0.877365 0.466832 0.110898 facet normal -0.442038 -0.84476 0.301633 vertex -4.25586 4.81447 7.51797 vertex -4.86109 -4.34627 7.33259 facet normal -0.47938 -0.871977 0.0992491 vertex -3.40623 -7.23862 20 facet normal 0.114168 0.990967 -0.0703566 facet normal -0.0694492 -0.705407 0.705392 vertex 1.84727 -9.28685 3.54602 vertex 5.4146 -8.10352 3.26879 facet normal 0.247463 0.963795 0.0993044 facet normal 2.890023e-001 -4.954586e-001 8.191449e-001 vertex -3.452413e+000 3.875508e+000 2.488700e+001 facet normal 0.338907 -0.0729058 0.937991 facet normal 0.0580967 -0.0922853 0.994036 vertex 0.0587368 -7.36167 6.86308 vertex 5.22724 5.17002 6.86195 facet normal 0.115076 0.00068584 0.993356 facet normal -3.261675e-01 -5.590515e-03 -9.452954e-01.

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