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= 50; radius_of_cylinder_indentations_top = 3; 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 9.14279 3.76384 facet normal 9.915277e-01 1.759161e-03 1.298834e-01 vertex -9.052261e+01 1.005513e+02 1.055902e+01 vertex -9.053832e+01 1.005513e+02 1.067898e+01 facet normal 0.5 -0.866025 0 facet normal -0.486762 -0.388502 0.782387 facet normal -0.112087 0.551317 -0.826732 vertex -1.11009 -2.67999 18.9335 vertex 1.11009 -2.67999 18.9335 vertex 1.11009 2.67999 18.9335 facet normal 3.508231e-001 6.139406e-001 7.071068e-001 facet normal 2.012630e-13 -1.000000e+00 4.835418e-14 facet normal 8.100479e-01 3.569934e-03 5.863528e-01 vertex -1.091137e+02 9.665134e+01 9.685153e+00 facet normal -9.996070e-01 2.803204e-02 1.366306e-07 facet normal 0.081357 0.0817431 0.993327 vertex -4.97321 -4.12613 7.83559 facet normal 4.926812e-01 1.183884e-02 8.701294e-01 vertex -1.088519e+02 9.725134e+01 9.338879e+00 facet normal 7.990003e-01 6.013306e-01 0.000000e+00 vertex -9.044012e+01 1.007757e+02 6.078580e+00 vertex -9.038341e+01 1.005513e+02 7.486783e+00 vertex -9.041086e+01 1.006638e+02 6.078580e+00 vertex -9.044012e+01 1.007757e+02 7.486783e+00 facet normal -0.247463 0.9638 0.099258 vertex -3.09017 -9.51056 0 facet normal -0.989341 0.0974461 0.108206 facet normal -1.941153e-05 -1.000000e+00 0.000000e+00 0.000000e+00 facet normal -0.499998 0.866027 1.47826e-06 facet normal -0.768469 0.630673 0.108201 facet normal -6.353893e-001 7.721920e-001 0.000000e+000 vertex -5.241066e+000 -2.130983e+000 9.983999e+000 vertex 1.561409e+000 5.411416e+000 2.496000e+001 vertex -4.217378e+000 -3.791486e+000 9.983999e+000 vertex 5.021640e+000 -2.681558e+000 1.747200e+001 facet normal -0.0906197 0.920082 0.381101 facet normal -0.370051 0.603866 0.70598 facet normal 6.194752e-01 -7.850162e-01 -3.364310e-04 vertex -1.018690e+02 1.045247e+02 3.455000e+01 facet normal -0.828702 0.0816302 0.553705 vertex -9.71631 -0.301613 3.26879 facet normal 9.916058e-01 -1.292925e-01 -1.184565e-03 vertex -9.023081e+01 9.965134e+01 1.755000e+01 facet normal 9.085721e-01 4.177281e-01 2.038530e-04 vertex -1.040005e+02 1.017229e+02 4.255000e+01 facet normal 0.780265 0.0331712 0.624569 facet normal 3.566057e-01 9.342550e-01 0.000000e+00 vertex -9.539299e+01 9.198978e+01 3.455000e+01 vertex -9.500859e+01 9.211231e+01 2.655000e+01 facet normal 0.00746316 0.0990468 -0.995055 vertex 1.87088 9.81894 0.0427516 facet normal -3.566057e-01 -9.342550e-01 0.000000e+00 vertex -9.202104e+01 9.410860e+01 1.055000e+01 facet normal 0.947172 -0.0961675 0.30597 facet normal 0.625113.

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