Spring and Joint

Grasshopper Karamba3D
#1

If the Dofs and cr ct values are the same, and what the difference between joint and spring?

#2

Dear @249538789,
joints can act like zero length springs at the ends of beams (see here). In addition joints with stiffness properties can be defined along lines on shell patches (see here).
– Clemens

#3

Thank you Clemens~