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For connecting front panel design and includes 2.5mm centerward shift for input and output jacks input_column = h_margin; col_right = width_mm - hole_dist_side - thickness; left_panel_spacing = left_panel_width / 3 + tolerance*8; echo("Left panel:", left_panel_width, " with spacing ", left_panel_spacing); right_panel_width = width_mm - thickness*2; // 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 9.14279 3.76384 facet normal 9.513109e-001 -3.082331e-001 0.000000e+000 vertex -5.631111e+000 3.382432e-001 9.983999e+000 vertex -8.426925e-001 -5.630101e+000 2.496000e+001 vertex 6.948225e+000 1.404741e+000 1.747200e+001 facet normal 0.0973514 0.989354 0.108175 facet normal 8.050200e-02 -7.673375e-03 -9.967249e-01 facet normal 4.395873e-001 -7.536190e-001 4.886936e-001 facet normal 0.881816 0.471442 -0.011941 facet normal 0.28858 -0.951321 0.108209 vertex 4.87024 3.18104 21.335 facet normal 0.124714 -0.987203 0.0993835 facet normal 0.63062 0.768512 0.108202 facet normal -0.769329 -0.631365 0.0975244 facet normal 0.0378714 -0.382337 0.923247 facet normal 4.792334e-001 8.386592e-001 2.588168e-001 facet normal 0.816087 -0.545278 -0.191503 vertex -2.65784 1.99639 18.3555 facet normal 3.183944e-15 -1.000000e+00 -1.165386e-14 facet normal -4.496505e-001 -7.868879e-001 4.226369e-001 facet normal -0.181148 -0.338901 0.923218 facet normal -0.241727 -0.796857 0.553703 facet normal -4.328611e-001 -7.575076e-001 4.886855e-001 vertex 6.128995e-001 4.320654e+000 2.484855e+001 facet normal -0.106447 -0.024393 0.994019 vertex -5.16396 5.24702 6.86308 facet normal 0.0559778 0.885456 0.46134 facet normal 0.115482 0.00124902 0.993309 vertex 0.0747576 -7.37473 6.86461.

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