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Hp from side to a D-shaped shafthole cross-section. 0 to keep labels all the way through then set this value to zero. ScrewHoleDiameter = 3; difference() { 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); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -6 6.59 vertex 2.9 0 19 vertex -1.10978 2.67925 19 vertex -2.41126 -1.61115 19 vertex 0.565762 -2.84428 19 vertex -2.9 0 19 vertex 0 2.5 6.5 facet normal 0.247474 0.963792 0.0993091 facet normal -5.555561e-01 -8.314790e-01 -3.414617e-04 vertex -9.355745e+01 9.281117e+01 1.855000e+01 vertex -9.176090e+01 1.033860e+02 2.655000e+01 facet normal 0.991505 -0.0943136 0.0895749 facet normal -0.995185 0.0980159 0 facet normal 0.94072 -0.331806 -0.0703595 vertex 8.66595 -1.30618 12.2548 facet normal -0.561108 0.299919 0.771496 facet normal -0.695453 -0.464714 -0.548075 vertex 2.92724 1.22816 18.7471 vertex 3.08346 1.31835 18.4724 vertex -0.4 3.005 9.425 vertex -0.4 3.07081 12.1818 facet normal 0.290283 0.956941 -0 facet normal 0.0112271 0.0915932 0.995733 vertex 0.0610838 7.13918 6.87866 vertex 6.9298 0 6.9357 vertex 4.68184 4.87063 7.03353 vertex -6.9395 0.0991955 6.93683 facet normal -0.0951157 -0.0292364 0.995037 vertex 3.4112 -7.24168 19.9491 vertex 4.13852 7.16813 19.9688 facet normal -0.528347 0.643664 0.553666 facet normal -0.181148 0.3389 0.923218 vertex 8.83147 1.71116 3.82299 facet normal 0.828702 -0.0816302 0.553705 facet normal -0.995186 0.0980045 0 vertex -8.31492 -3.44415 0 vertex 8.31492 -3.44415 3 vertex -8.99167 0 3 vertex 3.44096 -8.30722 3 vertex 6.35807 -6.35807 3 vertex -6.36396 6.36396 3.82299 facet normal -0.0975872 -0.989315 0.108317 facet normal -0.885456 -0.0559778 0.46134 facet normal -0.94716 -0.0961108 0.306023 vertex 0.201366 -6.35535 7.51116 facet.

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