arduino pcb design

i am looking to have a new cnc shield designed for a arduino uno that will have a dedicated header for a Pololu style driver with the option to plug in a cable for step direction gnd and enable the pcb must also have headers for the power input and the motor outputs the end design should be a single shield for a arduino that can have 2 tb6600 drivers screwed directly onto the board to feed power and relay the step and dir to new screw terminals there must be headers for the endstops and pwm outputs and the probe pin as well all standard pinouts from a standard cnc shield this is the tb6600 driver i want to screw directly to the board the step and direction plug must be header based to get signal to the other side of the driver ____ [login to view URL] the small Pololu style driver is for the z drive with a optional header for a off board tb6600 driver ____[login to view URL] this is a basic cnc shiels that i want to remodle to my needs ___[login to view URL] looking forwood to so help and input