spring driven camera slider

Hi!

This is spring-driven camera auto slider.

How to make and shooting performance can be found from my YouTube video.

lots of parts are necessary to make it.

How to make here : https://youtu.be/8EoohIFffgo

Thanks! and i hope you enjoy it.


////////////////////////////////////////Part list /////////////////////////////////////////////
[Non 3D printed parts]

$Length of bolt includes head.

1. constant force spring (1 ea, 0.2kgf, 500 mm, https://kr.misumi-ec.com/vona2/detail/110302307050/?HissuCode=CFS0.2)
2. rotary damper (1 ea, 0.02N/m, both direction, https://kr.misumi-ec.com/vona2/detail/221000019791/?HissuCode=FRT-C2-201)
3. copper tube (1 ea, OD: 5 mm, ID: 3 mm, L 45 mm)
4. copper rod (1 ea, dia. 3 mm, L 45 mm)
5. M6 bolt (1 ea, L 20 mm, plate head)
6. M5 bolt (1 ea, L 25 mm, round head)
7. M5 bolt (3 ea, L 20 mm, round head)
8. M4 bolt (12 ea, L 25 mm, plate head)
9. M4 bolt (4 ea, L 30 mm, plate head)
10. M4 bolt (2 ea, L 25 mm, round head)
11.