Mech Arm Railway system

3D printed Mech-arm railway system. Compatible with other Mech Arm models.

Allows you to move and shift the holders of phones, tablets and other compatible devices along the edge of the table. Reinforced system of fastening to the table. It is possible to use self-tapping screws and metal screws.

Inspired by @FukyArt and his model https://www.printables.com/model/647794-flexible-sturdy-phone-arm-100-printed
 

Additional screw and nuts here: 
https://www.printables.com/model/928482-bolt-nut-bracket-set
 

Mech Arm Wallmount phoneholder
https://www.printables.com/model/992166-mech-arm-wall-desk-mount
 

One more remix:
https://www.printables.com/model/968007-mech-arm-for-tablets
 

Mech Arm Tripod
https://www.printables.com/model/973420-mech-arm-tripod