Here are the better pictures of the calipers & pads:

This one shows that the inside edge is right up against the wear ridge.

IMG_5438 by David Wellings, on Flickr

And this is the outer edge. It doesn't fit well......
Next time I'm in there I will chamfer the edges a bit.

IMG_5439 by David Wellings, on Flickr

DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4