Didn't think of that angle, OLH, good call.
Guess the BMW dealer near me had the right cutter, as his only complaint was trying to line up the blank correctly. This was a "fat" folding blank, with the color roundel.
Current: 93 R100GS, 04 XR650L
Prior: 73 CB350, 77 R100/7, 83 R100RT
I love every motorcycle I've owned and even some that I haven't.