Quote Originally Posted by SharpMan View Post
The DMT plates aren't super flat to start with. A minimal amount of bending
could cause what you are experiencing. It would not require excessive pressure since the dmt plate is quite thin.
I use a Shapton DGLP to lap my Naniwas. I believe that they are considered to be more consistent in their flatness relative to the DMTs.

It's a pointless disagreement, but I don't consider the DMT plates to be thin and I believe it would take quite a bit of pressure beyond normal lapping pressure to bend them significantly.