This is a basic camera slider. You can watch the video for the assembly and results. The holes on the slider body are 5 cm apart,you can attach anything you like. I've also shared the STEP files. Have fun! :)

YouTube video:https://youtu.be/eI_8c7X8S4E

Parts designed by other people that I used in this project: Linear Bushing link: https://www.thingiverse.com/thing:2202854/files Phone holder link: https://www.thingiverse.com/thing:2194278 Phone holder mount link: https://www.thingiverse.com/thing:6399538/files

speed controller: https://tr.aliexpress.com/item/1005006365907342.html? dc motor: https://tr.aliexpress.com/item/1005004297630876.html?

Materials:

2x 10MM 50CM Smooth rods 4x Linear Bushings (3D printed or standard) 4x Zip ties 1x Dc motor speed controller 1x Dc motor 1x Limit switch 1x String 1xPhone or Camera for filming :)

Bolts for Slider:

1x M3 30MM bolt 2x M3 25MM bolt 8x M3 15MM bolt 2x M3 10MM bolt 13x M3 Nut 2x M3 Washer

Bolts for Phone Holder:

3x M4 20MM bolt 3x Washer 3x M4 Nut

1x M4 60MM bolt 2x M4 Nut

2x M4 20MM bolt 3x M4 Nut