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Surface, or not. Enable_engraved_indicator = false; // Radius of the knob before its final position. [mm] shafthole_height = 12; // [1:1:84] /* [Holes] */ // Four hole threshold (HP // margins from edges h_margin = hole_dist_side + thickness; h_margin = hole_dist_side + thickness; v_margin = hole_dist_top*2; output_column = 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); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -8.99167 3 vertex -7.48323 5.00013 3.82299 facet normal 0.768425 0.630723 0.108218 facet normal 0.0366128 0.15247 0.98763 vertex 4.92823 0.528226 18.8084 facet normal 0.0759151 0.77078 0.632562 facet normal 0.681162 -0.725368 0.0992896 facet normal 0.0813916 0.0816537 0.993332 vertex -4.77144 4.18796 7.82405 facet normal -2.126167e-001 -3.706483e-001 9.041095e-001 facet normal -0.049718 0.0861137 -0.995044 facet normal 0.0951908 0 -0.995459 vertex 9.99493 -0.0024623 0.0491151 facet normal 2.036634e-15 -1.002308e-15 -1.000000e+00 facet normal 0.462433 0.865129 0.194183 facet normal -0.08206 0.0817216 0.993271 facet normal 0.768425 0.630723 0.108218 facet normal -8.972304e-01 4.415627e-01 -3.153929e-04 vertex -9.084489e+01 9.590616e+01 2.550000e+00 facet normal -0.235679 -0.201291 0.950756 vertex 5.26591 0.865913 18.9636 vertex 5.0656 -0.339142 18.8084 facet normal -9.127901e-01 4.084288e-01 3.190932e-04 facet normal 0.288937 -0.749604 0.59549 vertex 5.40021 -4.41978 7.20613 vertex 6.81829 0.589577 7.19149 vertex -6.71529 -0.463226 7.17947 vertex -4.57918 5.11681 7.04537 facet normal -0.554724 0.0419323 0.830977 facet normal -0.144955 -0.617512 0.77309 vertex -4.46869 -4.91993 7.17054 vertex -6.79329 -0.261859 7.03804 facet normal 0.243779 -0.297045 0.92322 facet normal 2.848627e-15 -5.571352e-15 1.000000e+00 facet normal 0.555575 -0.831466 -3.46482e-07 facet normal 3.562743e-001 -6.107879e-001 7.071116e-001 vertex -3.433037e+000 3.842290e+000 2.484855e+001 facet normal -9.999031e-01 -1.391734e-02 2.605123e-04 facet normal 0.687856 0.439084 0.577979 vertex 4.54285 -5.69935 7.24096 vertex 5.55594 4.46654 7.22283 vertex 4.43088 5.75031 7.41293 vertex -4.34382 5.5867 7.39225 facet normal 4.391175e-002 -7.528125e-002 9.961950e-001 vertex -5.254437e+000 -1.091603e+000 2.495526e+001 facet normal -0.122595 -0.678279 0.724506 facet normal 0.679084 0.550873 0.485163 facet normal -0.0376556 -0.382438 0.923213 facet normal -0.0533625 0.0923569 -0.994295 vertex -5.35568 -8.4392 0.0482624 facet normal -0.449667 -0.547914 0.7054 facet normal -0.652557 -0.754466 0.0703566 facet normal 0.000364205 0.115448 0.993313 vertex -0.759029 -6.57068 7.85151 facet normal -1.662431e-01 -9.860847e-01 -3.475954e-04 vertex -9.638643e+01 9.177819e+01 2.550000e+00 facet normal 0.06948 -0.7054 0.705395 facet normal -9.127763e-01 -4.084597e-01 0.000000e+00 vertex -9.029320e+01 9.769664e+01 1.855000e+01 vertex -9.858900e+01 9.181025e+01 1.855000e+01 vertex -9.539322e+01 1.058130e+02 3.455000e+01 facet normal -0.137901 0.106559 0.984697 vertex -5.29418 -5.16563 6.86711 facet normal 0.0974854 -0.989339 0.108192 facet normal 0.0813397 0.0812122 0.993372 vertex 4.29176 4.58792 7.81747 facet normal -0.115783 4.54538e-07 -0.993275 facet normal 0.247473 0.963792 0.0993122 facet normal -0.748162 0.30988 0.58671 facet normal 4.720710e-001 -8.093070e-001 3.495297e-001 facet normal -0.0694748 0.705391 0.705406 facet normal -0.116081 0.000213667 -0.99324 facet normal.

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