OP might be thinking about something like this paper "Rig My Ride: Automatic Rigging of Physics-based Vehicles for Games" by Katz et al. [0] https://melissa266

OP might be thinking about something like this paper "Rig My Ride: Automatic Rigging of Physics-based Vehicles for Games" by Katz et al. [0] https://melissa2661.github.io/RigMyRide/ https://melissa2661.github.io/RigMyRide/