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Larger board underneath the smaller board. // margins from edges h_margin = thickness*2; v_margin = hole_dist_top*2 + thickness; h_margin = hole_dist_side + thickness; width_mm = 70.8; // 14HP×5.08mm = 71.12; ES for 14HP is 70.8 c_tune = [width_mm/2 - h_margin, top_row, 0]; f_tune = [second_col, fifth_row, 0]; pwm_duty = [second_col, fifth_row, 0]; //right_rib_x = width_mm - thickness; // draw panel, subtract holes 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 -6.57572 7.16319 facet normal -0.993083 -0.0624772 0.0994134 vertex -9.92115 -1.25333 0 facet normal -0.0980045 -0.995186 0 vertex 2.45196 0.487725 6.7 vertex 2.07867 -1.38893 6.5 vertex 2.3097 0.956708 6.7 vertex 0.487725 -2.45196 6.7 vertex -1.38893 2.07867 6.7 vertex 0 -8.99167 3 vertex -6.35807 -6.35807 3 vertex 1.75094 -8.81921 3 vertex 8.30568 3.44384 3 vertex 8.30722 3.44096 3 vertex -8.30568 3.44384 3 vertex -3.43783 -8.30816 3 vertex 6 0 6.59 vertex -2.53249 1.69705 6.59 vertex 0 7.13321 6.87796 facet normal -9.198330e-01 -3.923101e-01 2.985835e-04 vertex -9.084911e+01 9.589697e+01 4.255000e+01 facet normal 8.599717e-001 3.605409e-003 5.103289e-001 facet normal 0.463914 -0.883081 0.0703597 facet normal -6.353893e-001 7.721920e-001 0.000000e+000 vertex -5.271722e+000 -4.739358e+000 1.747200e+001 facet normal 0.63014 0.772994 0.0735165 vertex -5.10452 -0.896427 21.7998 facet normal 9.704562e-01 1.634136e-03 2.412718e-01 vertex -9.050152e+01 1.009900e+02 1.045267e+01 facet normal 0.768461 -0.630682 0.108208 facet normal -1.934024e-01 9.811195e-01 3.622710e-05 vertex -9.897102e+01 1.059168e+02 4.255000e+01 facet normal 0.989167 -0.0992487 0.108159 facet normal -2.935467e-16 -1.741197e-15 -1.000000e+00 facet normal 1.305081e-14 -1.000000e+00 3.984226e-15 facet normal 9.609585e-001 2.766924e-001 0.000000e+000 facet normal 5.393496e-002 9.438620e-002 9.940736e-001 facet normal 0.195101 -0.980783 -5.85608e-06 facet normal 5.194410e-01 0.000000e+00 -8.545063e-01 facet normal -0.989345 -0.0974075 0.108204 facet normal -0.111545 -0.367721 0.923222 vertex -2.55704 -8.58402 3.82299 vertex -8.31492.

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