Mode
Move — click empty=new node
drag node=move dbl-click=delete
Link — click node A then node B
Erase — click node or spring
Right-click node = pin / unpin
drag node=move dbl-click=delete
Link — click node A then node B
Erase — click node or spring
Right-click node = pin / unpin
Physics
Options
Ground / Bounce
Force Vectors
Presets
Actions
Spring Colors
Neutral (at rest length)
Stretched (tension)
Compressed
Pinned node