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38; // [1:1:84] working_height = height - v_margin; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_left = thickness + 6 + tolerance; extra_depth = 75 + tolerance; rotate_vector_cos = 0.94; // 'x' of 20 degree rotation rotate_vector_sin = 0.34; // 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height - v_margin; working_increment = working_height / 5; row_2 = working_increment*1 + row_1; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_left = thickness + 9.5/2 + tolerance*2; // rib + half a jack col_right = width_mm - h_margin; left_rib_x = 0; // 0 if indicator faces notch, 180 if it faces away and so on. // body - hole // begin arrow top cutout cylinder(r=8, h=10, $fn=3, center=true); for.

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