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Usual. If you want a D-shaped shafthole if desired. Scale([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); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 8.97218 4.79464 facet normal -0.367742 -0.111555 0.923212 vertex -8.96712 1.78367 3.76384 vertex 8.26214 3.54289 3.82299 facet normal -5.006067e-001 8.576186e-001 1.178276e-001 facet normal 1.226511e-001 -1.990748e-004 9.924498e-001 facet normal 9.635869e-01 -7.612723e-03 -2.672870e-01 vertex -9.046501e+01 1.008656e+02 1.182624e+01 facet normal -1.357119e-12 1.000000e+00 9.445800e-15 facet normal -9.777786e-001 -4.353410e-003 2.095953e-001 vertex -4.012347e+000 -8.724313e-001 2.475471e+001 facet normal -4.589668e-01 -8.884534e-01 3.478097e-04 facet normal -8.087744e-01 -1.446502e-03 -5.881172e-01 vertex -1.076659e+02 9.665134e+01 5.903821e+00 facet normal 0.368125 0.929776 0 facet normal -0.851409 -0.301695 0.429048 vertex 4.19531 5.40903 7.56202 facet normal -0.528267 -0.64375 0.553643 facet normal 0.0979878 -0.988483 0.115323 facet normal -0.260332 0.938729 0.225866 vertex -7.12884 -1.0528 7.81019 facet normal -0.741148 0.224824 0.632577 vertex -8.58011 1.70669 5.33536 facet normal 0.952403 0.288805 0.0975683 vertex -8.31492 3.44415 3.

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