So, I'm trying to recreate this setup: 
But, when I apply the checker texture, I get this:

The texture if really deformed. How can I correct this?
Thanks
So, I'm trying to recreate this setup: 
But, when I apply the checker texture, I get this:

The texture if really deformed. How can I correct this?
Thanks
Set your coordinates to object.
And make sure that you apply the scale to your object.
(⎈ Ctrl + A in Object mode)
read:
Non-Uniform Scaling during UV unwrap. What is this?
and
Why is it important to apply transformation to an objects data?
and