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25; // build up seven rows; middle one unused row_1 = vertical_space/7; row_2 = row_1 + v_margin + 12; //knob_radius top_row = height - v_margin; working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; col_right = 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 9 4.51215 vertex 0 7.34398 6.86102 vertex -5.20899 5.17982 6.86125 facet normal 0.978088 0.183034 0.0992057 facet normal -1.333467e-01 -3.798083e-03 -9.910622e-01 vertex -1.076661e+02 9.725134e+01 1.024875e+01 facet normal -3.946980e-001 6.737704e-001 6.246974e-001 vertex 3.504650e+000 -2.753122e+000 2.488700e+001 facet normal -3.176416e-001 -1.414251e-003 9.482098e-001 vertex -4.161525e+000 -8.730952e-001 2.494118e+001.

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