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The arrow. Scale([engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3]) 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); 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 -5.48271 21.8439 facet normal 5.000000e-001 8.660254e-001 -0.000000e+000 vertex 2.349824e+000 5.123229e+000 1.747200e+001 facet normal 0.782842 -0.468344 0.40965 facet normal 3.987226e-16 -7.910530e-01 6.117476e-01 facet normal 0.297059 -0.243768 0.923219 facet normal 0.586527 -0.714665 0.381104 facet normal -8.289299e-01 1.083016e-03 5.593514e-01 vertex -1.083973e+02 9.695134e+01 1.117392e+01 facet normal 0.544076 -0.225367 0.808202 facet normal 0.685181 0.343415 0.642334 vertex 4.46869 -4.91993 7.17054 vertex -4.54597 4.77601 7.16505 facet normal 0.173186 -0.0921987 0.980564 facet normal 5.356989e-002 9.985641e-001 -0.000000e+000 vertex 5.106196e+000 2.445278e+000 2.496000e+001 vertex 9.238088e-001 6.974807e+000 2.496000e+001 vertex 6.918735e-001 -7.088008e+000 1.747200e+001 vertex 3.426833e-001 -7.112523e+000 1.747200e+001 facet normal -0.43089 0.353627 0.83023 vertex -7.87301 5.26058 3.54602 facet normal 5.955815e-001 2.856946e-003 8.032898e-001 facet normal -0.630641 0.76849 0.108235 facet normal -3.874179e-001 -6.779822e-001 6.246980e-001 vertex 2.751995e+000 3.098315e+000 2.484855e+001 facet normal -0.362853 0.678848 -0.63836 facet normal 0.772937 -0.634483 0 facet normal 0.184975 -0.225392 0.956547 facet normal 4.330088e-01 1.474605e-03 -9.013885e-01 facet normal 0.0815519 -0.0814596 0.993335 vertex 4.28788 -4.58534 7.81694 facet normal -0.748167 0.309905 0.58669 facet normal -0.223441 0.736595 -0.638358 facet normal -9.891691e-001 -4.098506e-003 1.467232e-001 vertex 5.031457e+000 2.881145e+000 2.467858e+001 facet normal -0.0822024 0.0560446 0.995039 facet normal -3.677672e-001 -6.432549e-001 6.715433e-001 vertex -5.451008e-003 5.862898e+000 2.486861e+001 facet normal 8.884534e-01 -4.589668e-01 -3.115461e-04 vertex -9.108902e+01 9.542220e+01 2.655000e+01 facet normal 9.460993e-001 3.238766e-001 0.000000e+000 facet normal -0.247463 0.9638 0.099258 vertex -3.09017 -9.51056 0 facet normal 2.953184e-001 5.172202e-001 8.032872e-001 vertex 4.737382e-002 -6.000611e+000 2.490742e+001 facet normal 0.049906 0.0857116 0.995069 vertex -7.90932 2.4397 19.9688 facet normal 9.460993e-001 3.238766e-001 0.000000e+000 facet normal 0.0331712 0.780265 0.624569 facet normal 5.555562e-01 8.314790e-01 -0.000000e+00 facet normal -0.466834 0.877365 0.110891 facet normal -0.243832 -0.29704 0.923208 facet normal -9.104766e-01 1.574261e-03 -4.135575e-01 facet normal 3.863593e-01 -4.351739e-03 -9.223381e-01 vertex -1.084273e+02 9.725134e+01 1.264884e+01 facet normal 6.586127e-001 2.933136e-003 7.524764e-001 vertex -4.090111e+000 -5.153432e-002 2.488700e+001 facet normal 2.788045e-02 9.996113e-01 -2.494886e-06 vertex -9.738442e+01 1.060940e+02 3.455000e+01 facet normal -0.768469 0.630673 0.108201 facet normal 8.191569e-001 3.647170e-003 5.735579e-001 facet normal 0.0868518 -0.0464265 0.995139 facet normal -0.0821527 0.0555744 0.995069 facet normal 0.471479 0.881877 0 facet normal -0.468218 0.881923 0.0546202 facet normal 0.181148 0.3389 0.923218 vertex 8.83147 -1.71116 3.82299 facet normal -9.342549e-01 3.566057e-01 3.156437e-04 facet normal 1.907807e-01 2.084875e-03 -9.816305e-01 vertex -1.060526e+02 9.695134e+01 1.024732e+01 facet normal -0.683048 0.365098 0.632574 facet normal 0.225392 0.184975 0.956547 facet normal 2.096599e-001 3.669046e-001 9.063243e-001 facet normal -0.816 0.545404 -0.191516 facet normal -0.025989 0.101324 0.994514 vertex 2.47062 7.61405.

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