I've seen a lot of improvisation and semi-solutions for the X axis, but I like this one the most
Attachment 463156
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I accidentally found it on this site https://vallder.com/en/c/alu-profile...-200x96-detail

I would like to see some examples if someone made a CNC router with this profile so if they can show us an example of the whole router. I am interested in the impressions with the vibrations and stiffness of that aluminum profile.