Improved replacement corners for sliding cabinet

The sliding cabinet is a quite big and it was very hard to slide the doors. The biggest friction was in corners, which has to hold the whole weight of the doors.
I also designed better "wheeled" corners. Now the sliding is much more acceptable.

Brand of sliding doors is KOOPLAST, but maybe this solution can be used for other manufacturers.

Updates
9.2.2018
- New version of the corner with better sliding (plese mirror it for the left side).
- Photos are taken with previous versions.