$fn = 72;

case_width_top     = 317.5000;
case_width_bottom  = 320.0000;
case_length_top    = 150.0000;
case_length_bottom = 151.5000;

wall_width  =  2.5000;
wall_height = 17.2500;

accent_width    =  1.0000;
accent_y_stride   = 19.0500; /* last accent is 4mm from top of case */
accent_y_bottom = 12.0000;

fin_width     =  2.0000;
fin_gap_width =  2.0000;
fin_height    = 12.0000;
fin_x_stride  =  2.0000;
fin_x_first   = 139.7500;
fin_count     = 32;