creo4 config.pro option documentation for: SIM_ALLOW_NON_MATH_FUNC 
(hidden)
draw_attach_sym_height
Sets height of leader line slashes, integral signs, and boxes.
Default and Available Settings:
default* - Uses value set for draw_arrow_width
value - Type a value for the height of leader line slashes, integral signs, and
boxes.
|  The measurement is controlled by the drawing_units setup file option. |