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V_margin - title_font; left_rib_x = thickness * 1; right_rib_x = width_mm - h_margin; //special-case the knob (in mm). If you want a D-shaped shafthole if desired. Scale([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); 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 0.665684 -0.586535 0.461347 facet normal 1.245683e-13 -1.000000e+00 -2.027603e-13 vertex -1.045961e+02 9.725134e+01 1.214390e+01 vertex -1.047306e+02 9.725134e+01 1.230347e+01 facet normal 4.103484e-06 -1.000000e+00 -3.763539e-07 facet normal -0.392055 0.2628 0.881606 vertex -6.96824 0.194578 6.94018 vertex -7.01491 0.282485 6.94563 vertex -4.97595 5.14541 6.88072 facet normal 0.0817216 -0.08206 0.993271 facet normal -0.845944 -0.52861 0.0703597 facet normal -0.257261 -0.262755 0.929934 vertex -4.99768 5.42659 6.90571 facet normal -2.015062e-15 -3.014534e-15 -1.000000e+00 facet normal -0.630641 -0.76849 0.108235 facet normal -0.995197 -0.0978932 -0 facet normal 9.468859e-01 3.215698e-01 -2.758115e-10 vertex -9.055258e+01 1.011513e+02 1.114574e+01 facet normal 0.327077 -0.942375 -0.0703567 vertex -8.34127 2.57294 12.5464 facet normal 0.479685 0.847874 0.225859 facet normal -0.952732 0.286108 0.102199 facet normal 0.116041 -0.000467445 0.993244 vertex 6.9148 0.996058 7.89166 vertex -4.18951 5.59201 7.89187 facet normal 0.137635 -0.106825 0.984705 vertex 5.32461 5.12711 6.87554 facet normal 0.0819688 -0.0815293 0.993295 vertex 5.1829 -4.10478 7.85113 facet normal 0 -0.881861 -0.471509 vertex -0.4 2.96144 10.597 vertex -0.4 3.34543 11.3902 vertex -1.31069 3.16429 11.8737 facet normal -9.512867e-01 -3.083077e-01 -2.079303e-05 facet normal -0.995182 -0.0973807 0.0114129 facet normal -7.148682e-16 1.867343e-17 1.000000e+00 facet normal 0.990436 -0.097579 0.0975395 facet normal 0.0502428 0.08702 0.994939 vertex -4.28928 -6.75883 19.9502 facet normal -0.643699 -0.528205 0.553761 facet normal 9.987907e-001 1.998141e-003 4.912334e-002 facet normal 0.0419816 0.554754 0.830954 vertex -7.31983 0.636408 7.07423 facet normal 0.129508 0.7808 0.611211 vertex -5.40021 -4.41978 7.20613 vertex 5.23815 4.40436 7.19149 facet normal -3.463936e-14 -1.000000e+00 1.939162e-13 facet normal -9.503157e-01 -3.112878e-01 8.158233e-06 vertex -8.524144e+01 9.665134e+01 1.561034e+01 facet normal -0.0961675 -0.947172 0.30597 facet normal 0.0729941 -0.976261 0.203926 vertex 7.22332 -1.01854 7.61242 facet normal 0.84476 -0.442038 0.301633 vertex 4.30043 4.59658 7.71246 vertex -6.4137 0.394998 7.51797 vertex 4.78188 -4.20094 7.71954 vertex -4.30043 4.59658 7.71246 vertex -4.81447 -4.25586 7.51797 vertex -4.20094 -4.78188 7.71954 vertex -4.59658 -4.30043 7.71246 facet normal 0.262789 -0.392071 0.881602 vertex 6.79329 -0.261859 7.03804 facet normal -1.932563e-01 2.598328e-03 -9.811449e-01 facet normal -0.257144 0.137446 0.956549 vertex -4.48624 -6.71414 5.88782 facet normal -0.555568 -0.831471 -1.89274e-06 facet normal -6.451590e-01 -7.640483e-01 0.000000e+00 vertex -1.030079e+02 1.033858e+02 3.455000e+01 facet normal 6.621969e-01 -7.493298e-01 -3.343750e-04 vertex -9.247315e+01 1.041564e+02 2.550000e+00 facet normal -0.945995 0.308563 0.0994105 facet normal 0.875976 0.471404 0.102197 vertex 6.33525 0.41258 7.82405 facet normal 0.885456 0.0559778 0.46134 facet normal -0.881857 -0.471366 -0.0119411 facet normal 2.964451e-001 9.550499e-001 -0.000000e+000 vertex -3.990623e+000 -2.370713e+000 2.464800e+001 facet normal 9.062952e-001 4.035140e-003 4.226258e-001 facet normal -0.470877 0.0463745 0.880979 facet normal 0.991505.

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