Good tutorials

Rhino Rhino for Windows
1

Somebody know where I can find good videos and things like that about jewelry design

2

Hi,
Try this website, they have some nice free videos:
https://www.pjchendesign.com/online-tutorials/

Also this channel on YouTube:

And another channel on YouTube called Rhino3DTV that has some jewelry design tutorials:

3

On youtube Iv’e watched nearly every video about jewelry but that site you gave me looks good tho, thx