DIY cd rom stepper motor linear rail

My goal is to make relatively good quality cnc with the materials coming out from DVD or CD roms.

I started from linear rail, which is the most important part for this cnc. I hope you will like it.

After searching for some time trkmn017 user found his design. The design is well thought out. But the nail section is problematic and difficult to assemble.

Tibuck's similar design has found that the idea of ​​creating teeth with silicone or epoxy paste is very good.

I combined the beautif