def pricing width, height, pcb_layers, quantity = nil
      post_request "pricing", {width_in_mils: width, height_in_mils: height, pcb_layers: pcb_layers, quantity: quantity}
    end
def pricing width, height, pcb_layers, quantity = nil
      post_request "pricing", {width_in_mils: width, height_in_mils: height, pcb_layers: pcb_layers, quantity: quantity}
    end
Request a price estimate

 @param width  In thousands of an Inch
 @param height In thousands of an Inch
 @param layers
 @param quantity Optional Defaults to the minimum quantity