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Bottom_row = v_margin + 12; row_1 = v_margin+12; out_row_2 = out_working_increment*1 + out_row_1; out_row_5 = out_working_increment*4 + out_row_1; out_row_7 = working_increment*6 + out_row_1; out_row_6 = out_working_increment*5 + out_row_1; out_row_6 = out_working_increment*5 + out_row_1; out_row_5 = working_increment*4 + row_1; row_4 = row_3 + vertical_space/7; row_7 = row_6 + vertical_space/7; row_5 = row_4 + vertical_space/7; row_3 = working_increment*2 + row_1; row_3 = working_increment*2 + out_row_1; out_row_6 = out_working_increment*5 + out_row_1; out_row_6 = working_increment*5 + out_row_1; out_row_6 = out_working_increment*5 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; //special-case the top square(smoothing_radius+pad,smoothing_radius+pad); rotate_extrude(convexity=10, $fn = shafthole_faces); // Adapt to a D-shaped hole, set this to the K side.

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