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~11.675mm, top and bottom mountSurfaceHeight = (panelOuterHeight-panelInnerHeight-railHeight*2)/2; hp=5.08; hwCubeWidth = holeWidth-mountHoleDiameter; offsetToMountHoleCenterY=mountSurfaceHeight/2; offsetToMountHoleCenterX=hp;//1hp margin on each Could replace step IDs with a 7-segment display with a capacitor / resistor pair, see Fireball's hard sync input. But could also do one of the rail + a safety margin center_adjust = 5; //mm left_col = 10 + center_adjust; right_col = width_mm - h_margin; col_left = 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 8.33435 5.74921 facet normal -0.956957 -0.288281 0.0335834 vertex -1.05741 7.11568 7.9151 facet normal -0.865129 0.462436 0.19418 facet normal 0.86972 -0.0905846 0.485161 vertex 6.43867 0 7.3242 vertex 4.35153 4.6363 7.51116 facet normal -0.768557 0.63056 0.108238 facet normal 0.880762 0.468302 0.0703604 facet normal 9.442197e-01 -0.000000e+00 3.293163e-01 vertex -1.080794e+02 9.725134e+01 4.440930e+00 facet normal -0.382436 -0.0376186 0.923216 vertex -7.38374 -5.12136 3.82299 facet normal 0.0221433 0.096811 0.995056 vertex -1.49998 -7.86317 19.9504 vertex -0.618544 -8.2539 19.9688 vertex -8.0058 0 19.942 facet normal 4.328598e-001 7.575032e-001 4.886935e-001 facet normal -8.979480e-01 1.162584e-03 -4.401001e-01 vertex -1.084398e+02 9.665134e+01 1.062078e+01 vertex -1.084653e+02 9.665134e+01 1.069591e+01 vertex -1.084654e+02 9.725134e+01 1.102307e+01 facet normal -0.172853 0.0221096 0.984699 vertex -0.0908976 -7.39621 6.86711 vertex 7.40505 0 6.86814 vertex 7.39065 -0.0879059 6.86646 facet normal 0.0600064 -0.144869 0.98763 facet normal 0.773014 0.634388 0 facet normal 0.633162 -0.0623602 0.771503 facet normal 0.471394 -0.881923 0 vertex -10.1521 0.388301 0 facet normal -0.38808 -0.237822 0.890413 facet normal -0.0559554 -0.885449 0.461356 facet normal 7.614451e-01 -5.127838e-01 3.965528e-01 vertex -1.095272e+02 1.011513e+02 1.561034e+01 facet normal 1.087114e-001 4.842103e-004 9.940732e-001 vertex -4.214520e+000 1.590398e+000 2.495526e+001 facet normal 0.401121 -0.913319 -0.0703645 vertex 4.50882 -7.91906 8.70324 vertex 4.36742 7.5646 12.498 facet normal 0.288937 -0.749604 0.59549 facet normal -7.808552e-001 -3.476637e-003 6.247023e-001 vertex 4.089033e+000 8.061283e-001 2.484855e+001 facet normal 0.422682 -0.361949 0.830862 vertex 5.62591 -4.72589 7.07423 vertex 5.54554 -4.83932 6.98393 facet normal -0.590357 -0.804069 0.0703596 facet normal 5.955846e-001 2.446860e-003 8.032888e-001 facet normal -0.615915 0.526055 0.586443 facet normal 0.268375 0.884724 0.381101 vertex 10.0771 0.373379 2.58057 vertex -8.06528 -5.8029 2.94279 facet normal -1.625347e-01 0.000000e+00 9.867028e-01 facet normal -0.544084 -0.22536 0.808199 vertex 2.80984 0.516674 19.1916 vertex 2.91024 -0.759069 19.1916 vertex 2.91024 0.759069 19.1916 facet normal 0.880541 0.472774 0.0336386 facet normal 0.772955 -0.634348 -0.0119325 facet normal 4.127381e-001 -7.075891e-001 5.735546e-001 facet normal -0.816 0.545404 -0.191516 facet normal 0.416179 0.778618 0.469626 facet normal -0.195093 -0.980785 -7.41558e-06 vertex 0.4 -2.86172 18.9065 facet normal 0.678283 0.205751 0.705407 vertex 9.09213 3.43962 3.26879.

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