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(8+tolerance/5); // generally-useful spacing amount for vertical columns of stuff col_left = thickness * 1; //right_rib_x = width_mm - thickness*2; // draw panel, subtract holes 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); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -7.49999 6.0001 vertex 6.92908 2.87013 6.0001 vertex -7.49999 0 6.0001 facet normal 0.286094 -0.952737 0.102192 facet normal -4.924157e-001 -8.623471e-001 1.178320e-001 facet normal -0.772567 0.634832 0.0113625 facet normal -6.066731e-07 -1.000000e+00 -5.540166e-07 vertex -1.047207e+02 9.665134e+01 1.229235e+01 facet.

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