(2021-12-15, 5:09)liu Wrote: the left rocker should move follow the right rocker , but I tried , couldn't make it
That is because the linkage animation script works only for a 4 (or 3) bar construction. By my counting, your "10" model is a 7 bar linkage construction. That requires calculations which do not exist in the linkages script. So I'm afraid I can't help you with this one.
Regards,
David