Robotic joints

Some common robot joints are:

Name Constraints Freedoms
Revolut (R) 5 1
Prismatic (P)/Linear 5 1
Universal (U) 4 2
Spherical (S)/Ball & Socket 3 3
Helical (H) 5 1
Cylindrical 4 2

Emacs 29.4 (Org mode 9.6.15)