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13; shaft_smoothness = 20; // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 12*3 + tolerance*2; //three knobs plus space between them right_panel_width = 12; // [1:1:84] /* [Holes] */ hole_dist_top = 2.5; // margins from edges h_margin = hole_dist_side + thickness; width_mm = hp_mm(h); difference() { 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); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 9.74602 3.26879 facet normal -9.527802e-01 3.036606e-01 -2.293352e-04 facet normal -0.769304 0.631387 0.0975749 vertex 7.48323 -5.00013 3 facet normal -0.538408 -0.714673 0.446497 facet normal -6.059723e-02 5.494638e-03 9.981472e-01 vertex -1.063183e+02 9.725134e+01 8.848868e+00 facet normal -1.274611e-001 -9.918436e-001 0.000000e+000 vertex -4.873291e+000 -2.885563e+000 2.496000e+001 vertex -2.186956e+000 6.678942e+000 2.496000e+001 vertex 7.057426e+000 7.134280e-001 9.983999e+000 vertex 2.928430e+000 -4.890075e+000 1.747200e+001 facet normal 0.0546401 0.554737 0.83023 facet normal -0.286343 -0.11861 0.950757 facet normal -0.472774 -0.880541 0.0336386 facet normal -9.565244e-01 1.746217e-03 -2.916470e-01 vertex -1.043254e+02 9.695134e+01.

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