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5; //mm center_col = width_mm/2; row_1 = vertical_space/7; row_2 = working_increment*1 + row_1; row_4 = working_increment*3 + row_1; row_5 = working_increment*4 + row_1; row_4 = row_3 + vertical_space/7; row_3 = working_increment*2 + row_1; working_increment = working_height / (8+tolerance/5); // generally-useful spacing amount for vertical columns of stuff working_height = height - v_margin - title_font_size*2; working_width = width_mm - hole_dist_side - thickness; module label(string, size=4, halign="center", font=default_label_font) { color([1,0,0]) linear_extrude(thickness+1) text(string, size, halign=halign, font=font); } module.

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