> If your casting aren't reversible, don't worry about it , go to > plan B. Do the best you can and move on................... >Larry Flesner +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
After considering the problem in greater detail and making some drawings I'm thinking the solution is not that difficult. If you clamp the castings back to back, drill each hole and insert a bolt as you go to hold alignment, you can rotate the casting from the front side of one wing the back side of the opposite wing and have the holes match. Cancel the order on the cnc machine. Just don't try to use the casting on the front and back of the same wing without precision drilling. Larry Flesner