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Steps only row_1 = bottom_row + v_margin + 12; //knob_radius top_row = height - v_margin*2 - title_font_size; working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_left = thickness + 6 + tolerance; // left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2; 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 -10.1139 2.58057 facet normal -0.773981 0.633208 0 facet normal 0.815358 -0.388731 0.429045 vertex 6.7913 0.858226 7.56202 facet normal 0.952377 -0.288901 0.0975456 facet normal 0 0.994933 0.100537 facet normal 0.288321 0.956943 0.0336375 facet normal -0.631327 0.769359 0.0975343 vertex -6.36396 -6.36396 3.82299 facet normal -0.0727061 0.0568312 0.995733 vertex 0.0610838 7.13918 6.87866 vertex -5.04394 5.04394 6.87796 vertex 5.09136 -5.00497 6.87866 facet normal -0.191479 0.96264 -0.191469 facet normal 0.0814632 -0.0817724 0.993316 vertex -4.97411 -4.13072 7.83604 facet normal 0.0497453 0.0861612 0.995039 facet normal 0.423073 0.690391 0.58683 facet normal -0.0973802 0.995182 0.011361 facet normal 0.468218 -0.881923 0.0546202 vertex -6.92883 -0.991719 7.78686 vertex 4.2532 -5.60181 7.5827 vertex 4.13797 5.40019 7.76535 facet normal -0.484645 -0.0153859 0.874575 facet normal 5.019341e-001 -8.605046e-001 8.714356e-002 vertex -1.625209e+000 4.817784e+000 2.470218e+001 facet normal 0.0624841 0.0761186 0.995139 vertex 1.46714 -7.3758 6.0001 facet normal 0.0500831 -0.0867463 0.994971 facet normal -0.938727 0.284751 0.194185 facet normal 0.736593 0.223445 -0.63836 facet normal 4.936044e-001 -8.471878e-001 1.965392e-001 facet normal 6.615330e-01 -7.499159e-01 3.287206e-04 vertex -9.277787e+01 9.337724e+01 4.255000e+01 facet normal -2.129190e-001 3.650234e-001 9.063241e-001 vertex 1.743102e+000 -5.031560e+000 2.491820e+001 facet normal -0.48977 -0.507679 0.708793 facet normal 0.0820554 0.0808315 0.993344 vertex 4.10946 5.18289 7.85151 facet normal 0.555731 0.831362 -3.10615e-07 vertex -1.32612 -3.15398 6.59 vertex 1.29095 -3.16821 18.1498 facet normal 0.951321 0.28858 0.108209 vertex -5.48554 1.87874 21.335 facet normal 0.773012 0.634391 0 vertex.

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