I had to bend the picture frames at a 45 degree angle.
I've had a couple of old ones that have been fine for years. New ones are not accurate at 45 degrees and are not aligned with the old set so I cannot use both sets at the same time. And yes, my 45 degree mixers are very, very accurate.
Pros
INSTALLATION: Secure this clamp to the edge of your workbench using the two included TK6 bench clamps