There is absolutly no other way to correctly determine cleat position. The Fit Kit R.A.D. is the industry standard! DO NOT LET ANYONE (EVEN YOURSELF) INSTALL CLEATS WITH LESS THAN 10 DEGREES OF FLOAT WITH OUT DOING A R.A.D.! You can damage your knees.
Here you see an actual example of a cleat we adjusted. Notice the pronounced angle of the cleat.