Hex washer insert for Prusa Improved X-end

Hi guys, I was having some trouble with the Improved Prusa X-end.

The springs that go onto the nuts that the threaded rod goes through kept either jamming the threaded rod and blocking my Z-axis which resulted in missed steps, or the spring would press itself through the opening on the bottom of the X-ends.

I wanted to share my solution to this problem, I have found more people that had similar problems, so I decided to make a simple explanation.

By using nylon M8 washers, and trimmin